Attachment 204668 Details for Bug 238190 – homeserver.log

homeserver.log

homeserver.log (text/plain), 745.14 KB, created by Marko Cupać on 2019-05-28 13:27:34 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Marko Cupać

Created: 2019-05-28 13:27:34 UTC

Size: 745.14 KB

patch

obsolete

>2019-05-28 15:06:01,709 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,709 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,709 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,710 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,710 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,710 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:01,711 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,711 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,712 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,712 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,713 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,714 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,714 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:01,715 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,715 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,715 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,716 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,716 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,717 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,717 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:01,717 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,718 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,718 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,719 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,719 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,720 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,721 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:01,721 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,721 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,722 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,722 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,722 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,723 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,723 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:01,723 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,724 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,724 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,725 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,725 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,725 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,726 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:01,726 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,727 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,727 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,727 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,728 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,728 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,728 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:01,729 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,729 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:01,729 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:01,730 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:01,730 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:01,731 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:01,731 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:01,732 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Call stack:
>2019-05-28 15:06:01,740 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 193, in _run_module_as_main
>2019-05-28 15:06:01,740 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "__main__", mod_spec)
>2019-05-28 15:06:01,740 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 85, in _run_code
>2019-05-28 15:06:01,741 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     exec(code, run_globals)
>2019-05-28 15:06:01,741 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 661, in <module>
>2019-05-28 15:06:01,741 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     main()
>2019-05-28 15:06:01,742 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 657, in main
>2019-05-28 15:06:01,742 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     run(hs)
>2019-05-28 15:06:01,743 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 648, in run
>2019-05-28 15:06:01,744 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logger=logger,
>2019-05-28 15:06:01,744 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 141, in start_reactor
>2019-05-28 15:06:01,744 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     daemon.start()
>2019-05-28 15:06:01,745 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/daemonize.py", line 248, in start
>2019-05-28 15:06:01,745 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.action(*privileged_action_result)
>2019-05-28 15:06:01,746 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 127, in run
>2019-05-28 15:06:01,746 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     reactor.run()
>2019-05-28 15:06:01,746 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1267, in run
>2019-05-28 15:06:01,747 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.mainLoop()
>2019-05-28 15:06:01,747 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1276, in mainLoop
>2019-05-28 15:06:01,747 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.runUntilCurrent()
>2019-05-28 15:06:01,748 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/metrics/__init__.py", line 347, in f
>2019-05-28 15:06:01,748 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     ret = func(*args, **kwargs)
>2019-05-28 15:06:01,748 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 875, in runUntilCurrent
>2019-05-28 15:06:01,749 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     f(*a, **kw)
>2019-05-28 15:06:01,749 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:01,750 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:01,750 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:01,750 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:01,751 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:01,751 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:01,752 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/_resolver.py", line 137, in deliverResults
>2019-05-28 15:06:01,752 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     resolutionReceiver.resolutionComplete()
>2019-05-28 15:06:01,752 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 921, in resolutionComplete
>2019-05-28 15:06:01,753 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     d.callback(addresses)
>2019-05-28 15:06:01,753 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:01,754 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:01,754 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:01,754 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:01,755 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:01,755 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:01,755 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:01,756 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:01,756 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1464, in _inlineCallbacks
>2019-05-28 15:06:01,756 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     status.deferred.errback()
>2019-05-28 15:06:01,757 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:01,757 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:01,757 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:01,758 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:01,758 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:01,758 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:01,759 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/util/async_helpers.py", line 452, in failure_cb
>2019-05-28 15:06:01,759 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     new_d.errback(val)
>2019-05-28 15:06:01,760 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:01,760 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:01,761 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:01,761 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:01,761 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:01,762 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:01,762 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:01,762 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:01,763 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:01,763 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:01,763 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:01,764 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:01,764 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 437, in _send_request
>2019-05-28 15:06:01,764 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _flatten_response_never_received(e.inner_exception),
>2019-05-28 15:06:01,765 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1325, in warn
>2019-05-28 15:06:01,765 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.warning(msg, *args, **kwargs)
>2019-05-28 15:06:01,765 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1320, in warning
>2019-05-28 15:06:01,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(WARNING, msg, args, **kwargs)
>2019-05-28 15:06:01,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,767 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,767 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,767 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,768 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,768 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,768 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,769 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,769 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,770 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,770 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,770 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,771 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,771 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,771 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,772 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,772 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,772 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,773 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,773 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,773 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,774 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,774 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,774 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,775 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,775 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,775 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,776 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,776 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,776 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,777 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,777 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,777 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,778 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,778 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,778 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,779 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,779 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,779 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,780 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,780 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,780 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,781 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,781 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,781 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,782 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,782 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,782 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,783 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,783 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,783 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,784 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,784 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,785 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,785 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,785 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,787 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,787 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,787 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,788 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,788 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,789 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,789 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,789 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,790 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,790 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,790 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,791 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,791 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,792 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,792 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,792 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,793 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,793 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,793 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,794 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,794 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,795 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,795 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,795 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,796 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,796 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,796 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,797 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,797 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,797 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,798 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,798 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,799 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,799 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,799 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,800 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,800 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,800 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,801 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,801 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,802 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,802 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,802 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,803 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,803 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,803 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,804 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,804 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,805 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,805 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,805 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,806 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,806 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,806 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,807 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,807 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,807 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,808 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,808 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,809 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,809 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,810 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,810 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,810 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,812 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,812 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,813 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,813 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,813 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,814 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,814 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,814 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,815 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,815 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,815 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,816 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,816 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,816 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,817 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,817 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,817 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,818 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,818 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,818 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,819 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,819 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,819 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,820 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,820 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,820 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,821 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,821 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,821 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,822 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,822 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,822 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,823 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,823 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,823 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,824 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,824 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,824 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,825 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,825 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,825 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,826 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,826 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,827 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,827 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,827 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,828 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,828 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,828 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,829 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,829 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,829 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,830 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,830 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,830 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,831 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,831 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,831 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,832 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,832 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,832 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,833 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,833 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,833 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,834 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,834 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,834 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,835 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,835 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,835 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,836 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,836 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,836 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,837 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,837 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,837 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,838 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,838 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,838 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,839 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,839 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,839 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,840 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,840 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,840 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,842 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,842 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,842 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,843 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,843 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,843 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,844 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,845 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,845 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,846 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,846 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,846 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,847 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,847 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,847 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,848 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,848 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,848 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,849 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,849 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,849 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,850 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,850 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,850 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,851 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,851 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,851 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,852 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,852 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,852 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,853 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,853 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,853 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,854 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,854 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,854 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,855 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,855 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,855 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,856 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,856 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,856 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,857 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,857 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,858 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,858 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,858 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,860 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,860 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,860 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,861 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,861 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,861 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,862 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,862 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,863 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,863 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,863 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,864 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,864 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,864 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,865 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,865 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,865 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,866 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,866 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,866 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,867 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,867 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,867 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,868 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,868 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,868 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,869 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,869 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,869 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,870 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,870 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,870 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,871 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,871 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,871 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,872 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,872 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,872 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,873 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,873 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,873 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,874 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,874 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,874 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,875 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,875 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,875 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,876 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,876 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,876 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,877 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,877 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,877 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,879 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,879 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,879 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,880 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,880 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,881 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,881 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,881 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,882 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,882 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,882 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,883 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,883 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,883 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,884 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,884 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,884 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,885 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,885 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,886 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,886 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,886 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,887 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,887 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,887 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,888 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,888 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,888 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,889 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,889 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,889 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,890 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,890 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,890 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,891 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,891 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,891 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,892 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,892 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,892 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,893 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,893 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,893 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,894 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,894 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,894 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,895 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,895 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,895 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,896 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,896 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,896 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,898 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,898 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,898 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,899 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,899 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,899 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,900 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,900 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,900 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,901 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,901 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,901 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,902 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,902 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,902 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,903 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,903 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,903 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,904 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,904 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,904 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,905 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,905 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,905 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,906 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,906 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,906 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,907 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,907 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,907 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,908 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,908 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,908 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,909 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,909 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,909 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,910 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,910 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,910 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,911 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,911 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,911 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,912 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,912 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,912 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,913 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,913 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,913 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,914 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,914 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,914 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,915 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,915 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,915 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,916 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,916 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,916 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,917 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,917 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,917 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,918 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,918 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,918 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,919 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,919 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,919 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,922 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,922 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,922 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,923 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,923 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,923 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,924 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,924 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,924 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,925 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,925 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,925 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,926 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,926 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,926 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,927 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,927 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,927 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,928 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,928 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,928 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,929 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,929 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,929 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,930 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,930 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,930 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,931 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,931 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,931 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,932 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,932 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,932 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,933 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,933 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,933 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,934 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,934 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,934 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,935 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,935 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,935 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,936 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,936 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,936 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,937 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,937 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,937 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,938 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,938 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,938 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,939 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,939 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,939 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,940 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,940 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,940 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,941 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,941 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,941 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,942 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,942 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,942 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,943 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,943 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,943 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,944 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,944 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,944 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,945 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,945 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,945 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,946 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,946 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,946 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,948 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,948 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,948 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,949 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,949 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,949 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,950 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,950 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,950 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,951 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,951 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,951 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,952 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,952 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,952 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,953 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,953 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,953 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,954 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,954 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,954 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,955 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,955 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,955 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,957 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,957 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,957 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,958 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,958 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,958 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,959 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,959 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,959 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,960 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,960 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,960 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,961 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,961 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,961 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,962 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,962 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,962 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,963 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,963 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,963 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,964 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,964 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,964 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,965 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,965 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,965 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,966 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,966 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,966 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,967 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,967 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,967 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,968 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,968 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,968 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,969 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,969 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,969 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,970 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,970 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,970 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,971 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,971 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,971 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,972 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,972 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,972 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,973 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,973 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,973 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,975 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,975 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,975 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,976 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,976 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,976 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,977 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,977 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,977 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,978 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,978 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,978 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,979 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,979 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,979 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,980 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,980 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,980 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,981 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,981 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,981 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,982 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,982 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,983 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,983 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,983 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,985 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,985 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,985 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,986 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,986 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,986 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,987 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,987 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,987 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,988 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,988 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,988 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,989 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,989 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,989 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:01,990 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:01,990 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:01,990 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:01,991 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:01,991 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:01,991 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:01,992 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:01,992 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:01,992 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:01,993 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:01,993 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:01,993 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:01,994 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:01,994 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:01,994 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:01,995 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:01,995 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:01,995 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:01,996 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:01,996 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:01,996 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:01,997 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:01,997 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:01,997 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:01,998 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:01,998 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:01,998 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:01,999 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:01,999 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:01,999 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,000 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,000 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,000 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,001 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,001 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,001 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,002 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,002 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,002 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,003 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,003 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,003 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,004 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,004 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,004 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,005 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,005 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,005 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,006 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,006 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,006 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,007 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,007 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,007 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,009 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,009 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,009 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,010 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,010 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,010 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,011 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,011 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,011 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,012 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,012 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,012 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,013 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,013 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,013 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,014 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,014 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,014 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,015 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,015 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,016 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,016 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,016 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,017 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,017 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,017 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,018 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,018 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,018 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,019 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,019 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,019 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,020 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,020 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,020 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,021 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,021 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,021 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,022 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,022 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,022 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,024 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,024 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,024 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,025 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,025 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,025 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,026 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,026 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,026 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,028 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,028 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,028 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,029 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,029 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,029 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,030 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,030 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,030 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,031 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,031 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,031 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,032 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,032 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,032 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,033 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,033 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,033 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,034 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,034 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,034 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,035 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,035 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,035 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,036 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,036 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,036 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,037 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,037 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,037 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,038 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,038 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,038 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,039 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,039 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,039 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,040 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,040 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,040 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,042 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,042 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,042 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,043 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,043 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,043 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,044 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,044 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,044 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,045 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,045 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,045 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,046 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,046 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,046 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,047 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,047 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,047 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,048 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,048 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,048 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,049 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,049 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,049 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,050 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,050 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,050 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,051 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,051 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,051 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,052 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,052 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,052 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,053 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,053 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,053 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,054 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,054 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,054 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,055 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,055 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,055 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,056 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,056 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,056 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,057 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,057 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,057 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,058 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,058 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,058 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,059 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,059 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,059 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,060 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,060 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,060 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,061 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Message: <twisted.logger._stdlib.StringifiableFromEvent object at 0x851645a20>
>2019-05-28 15:06:02,061 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Arguments: ()
>2019-05-28 15:06:02,062 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,062 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- The above exception was the direct cause of the following exception:
>2019-05-28 15:06:02,062 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,063 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,063 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 378, in _send_request
>2019-05-28 15:06:02,063 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     raise_from(RequestSendFailed(e, can_retry=retry_on_dns_fail), e)
>2019-05-28 15:06:02,064 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "<string>", line 3, in raise_from
>2019-05-28 15:06:02,064 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,067 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,067 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 376, in _send_request
>2019-05-28 15:06:02,067 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     response = yield request_deferred
>2019-05-28 15:06:02,068 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:02,068 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:02,068 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:02,069 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:02,069 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/federation/matrix_federation_agent.py", line 176, in request
>2019-05-28 15:06:02,069 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     agent.request(method, uri, headers, bodyProducer)
>2019-05-28 15:06:02,070 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,070 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,070 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 975, in startConnectionAttempts
>2019-05-28 15:06:02,071 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "no results for hostname lookup: {}".format(self._hostStr)
>2019-05-28 15:06:02,071 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,073 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,074 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 376, in _send_request
>2019-05-28 15:06:02,074 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     response = yield request_deferred
>2019-05-28 15:06:02,075 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:02,075 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:02,075 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:02,076 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:02,076 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/federation/matrix_federation_agent.py", line 176, in request
>2019-05-28 15:06:02,076 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     agent.request(method, uri, headers, bodyProducer)
>2019-05-28 15:06:02,077 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,077 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,077 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 975, in startConnectionAttempts
>2019-05-28 15:06:02,078 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "no results for hostname lookup: {}".format(self._hostStr)
>2019-05-28 15:06:02,078 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,081 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,081 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 376, in _send_request
>2019-05-28 15:06:02,081 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     response = yield request_deferred
>2019-05-28 15:06:02,082 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:02,082 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:02,082 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:02,083 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:02,083 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/federation/matrix_federation_agent.py", line 176, in request
>2019-05-28 15:06:02,083 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     agent.request(method, uri, headers, bodyProducer)
>2019-05-28 15:06:02,084 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,084 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,084 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 975, in startConnectionAttempts
>2019-05-28 15:06:02,085 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "no results for hostname lookup: {}".format(self._hostStr)
>2019-05-28 15:06:02,085 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,086 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,087 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,088 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- The above exception was the direct cause of the following exception:
>2019-05-28 15:06:02,088 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,088 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,089 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 378, in _send_request
>2019-05-28 15:06:02,089 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     raise_from(RequestSendFailed(e, can_retry=retry_on_dns_fail), e)
>2019-05-28 15:06:02,089 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "<string>", line 3, in raise_from
>2019-05-28 15:06:02,090 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,090 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,092 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,092 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,092 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,093 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,093 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,093 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,094 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 295: ordinal not in range(128)
>2019-05-28 15:06:02,094 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,094 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,095 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,095 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,096 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,096 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,096 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,098 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,098 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,100 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,100 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,100 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,101 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,101 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,101 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,102 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,102 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,102 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,103 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,103 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,105 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,105 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,105 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,107 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,107 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,108 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,108 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,108 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,109 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,109 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,109 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,110 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,110 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,110 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,111 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,111 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,111 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,111 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,112 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,112 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,113 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,113 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,113 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,114 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,114 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,114 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,115 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,115 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,115 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,116 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,116 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,116 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,117 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,117 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,117 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,119 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,119 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,120 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,120 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,120 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,121 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,121 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,121 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,122 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,122 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,122 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,123 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,123 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,123 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,124 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,124 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,124 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,125 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,125 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,125 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,126 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,126 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,126 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,127 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,127 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,127 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,128 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,128 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,128 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,129 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,129 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,129 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,130 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,130 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,130 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,131 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,131 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,131 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,134 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,134 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,134 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,135 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,135 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,135 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,136 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,136 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,136 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,137 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,137 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,137 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,138 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,138 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,138 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,139 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,139 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,139 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,140 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,140 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,140 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,141 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,141 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,142 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,142 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,142 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,143 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,143 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,143 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,144 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,144 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,144 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,145 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,145 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,145 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,146 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,146 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,146 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,147 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,147 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,148 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,148 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,149 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,149 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,149 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,150 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,151 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,151 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,151 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,152 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,152 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,152 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,153 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,153 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,153 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,154 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,154 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,154 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,155 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,155 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,155 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,156 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,156 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,156 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,157 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,157 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,157 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,158 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,158 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,158 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,160 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,160 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,162 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,162 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,162 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,163 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,163 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,163 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,164 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,164 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,164 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,165 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,165 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,165 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,167 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,167 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,168 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,168 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Call stack:
>2019-05-28 15:06:02,176 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 193, in _run_module_as_main
>2019-05-28 15:06:02,176 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "__main__", mod_spec)
>2019-05-28 15:06:02,177 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 85, in _run_code
>2019-05-28 15:06:02,177 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     exec(code, run_globals)
>2019-05-28 15:06:02,177 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 661, in <module>
>2019-05-28 15:06:02,178 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     main()
>2019-05-28 15:06:02,178 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 657, in main
>2019-05-28 15:06:02,178 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     run(hs)
>2019-05-28 15:06:02,179 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 648, in run
>2019-05-28 15:06:02,179 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logger=logger,
>2019-05-28 15:06:02,179 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 141, in start_reactor
>2019-05-28 15:06:02,180 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     daemon.start()
>2019-05-28 15:06:02,180 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/daemonize.py", line 248, in start
>2019-05-28 15:06:02,180 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.action(*privileged_action_result)
>2019-05-28 15:06:02,181 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 127, in run
>2019-05-28 15:06:02,181 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     reactor.run()
>2019-05-28 15:06:02,181 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1267, in run
>2019-05-28 15:06:02,182 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.mainLoop()
>2019-05-28 15:06:02,182 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1276, in mainLoop
>2019-05-28 15:06:02,182 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.runUntilCurrent()
>2019-05-28 15:06:02,183 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/metrics/__init__.py", line 347, in f
>2019-05-28 15:06:02,183 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     ret = func(*args, **kwargs)
>2019-05-28 15:06:02,183 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 875, in runUntilCurrent
>2019-05-28 15:06:02,184 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     f(*a, **kw)
>2019-05-28 15:06:02,184 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:02,185 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:02,185 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,186 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,186 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,186 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,187 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/_resolver.py", line 137, in deliverResults
>2019-05-28 15:06:02,187 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     resolutionReceiver.resolutionComplete()
>2019-05-28 15:06:02,187 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 921, in resolutionComplete
>2019-05-28 15:06:02,188 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     d.callback(addresses)
>2019-05-28 15:06:02,188 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:02,188 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:02,189 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,189 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,189 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,190 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,190 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:02,190 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:02,191 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1464, in _inlineCallbacks
>2019-05-28 15:06:02,191 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     status.deferred.errback()
>2019-05-28 15:06:02,191 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:02,191 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:02,192 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,192 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,192 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,193 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,193 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/util/async_helpers.py", line 452, in failure_cb
>2019-05-28 15:06:02,193 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     new_d.errback(val)
>2019-05-28 15:06:02,194 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:02,194 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:02,194 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,195 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,195 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,195 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,196 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:02,196 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:02,196 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:02,197 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:02,197 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:02,197 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:02,198 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 437, in _send_request
>2019-05-28 15:06:02,198 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _flatten_response_never_received(e.inner_exception),
>2019-05-28 15:06:02,198 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1325, in warn
>2019-05-28 15:06:02,199 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.warning(msg, *args, **kwargs)
>2019-05-28 15:06:02,199 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1320, in warning
>2019-05-28 15:06:02,199 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(WARNING, msg, args, **kwargs)
>2019-05-28 15:06:02,200 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,200 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,200 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,201 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,201 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,201 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,202 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,202 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,202 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,203 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,203 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,203 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,204 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,204 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,204 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,206 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,206 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,206 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,207 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,207 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,207 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,208 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,208 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,208 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,209 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,209 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,209 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,210 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,210 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,210 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,211 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,211 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,211 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,212 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,212 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,212 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,213 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,213 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,213 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,214 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,214 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,214 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,215 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,215 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,215 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,216 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,216 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,216 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,217 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,217 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,217 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,218 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,218 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,218 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,219 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,219 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,219 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,221 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,221 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,221 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,222 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,222 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,222 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,223 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,223 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,223 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,224 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,224 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,224 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,225 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,225 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,225 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,226 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,226 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,226 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,227 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,227 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,227 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,228 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,228 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,228 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,229 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,229 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,229 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,230 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,230 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,230 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,231 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,231 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,231 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,233 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,233 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,233 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,234 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,234 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,234 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,235 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,235 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,235 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,236 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,236 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,236 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,237 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,237 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,238 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,238 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,238 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,239 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,239 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,239 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,240 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,240 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,240 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,241 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,241 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,241 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,242 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,242 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,242 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,243 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,243 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,243 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,244 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,244 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,244 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,245 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,245 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,245 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,246 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,246 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,247 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,247 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,247 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,248 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,248 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,248 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,249 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,249 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,249 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,250 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,250 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,250 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,251 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,251 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,252 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,252 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,252 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,253 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,253 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,253 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,254 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,254 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,254 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,255 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,255 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,255 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,256 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,256 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,256 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,257 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,257 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,257 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,258 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,258 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,258 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,259 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,259 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,259 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,260 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,260 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,260 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,261 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,261 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,261 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,262 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,262 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,262 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,264 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,264 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,264 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,265 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,265 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,266 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,266 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,266 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,267 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,267 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,267 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,268 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,268 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,268 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,269 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,269 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,269 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,270 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,270 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,271 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,271 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,271 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,272 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,272 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,273 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,273 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,274 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,274 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,274 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,275 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,275 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,275 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,276 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,276 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,276 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,277 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,277 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,277 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,278 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,278 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,278 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,279 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,279 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,279 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,280 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,280 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,280 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,281 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,281 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,281 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,282 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,282 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,282 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,283 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,283 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,283 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,284 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,284 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,284 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,285 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,285 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,286 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,286 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,286 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,287 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,287 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,287 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,288 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,288 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,288 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,289 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,289 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,289 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,290 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,290 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,290 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,291 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,291 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,291 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,292 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,292 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,293 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,293 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,293 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,294 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,294 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,294 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,295 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,295 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,295 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,296 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,296 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,296 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,297 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,297 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,297 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,298 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,298 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,298 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,299 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,299 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,299 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,300 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,300 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,300 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,301 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,301 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,301 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,302 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,302 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,302 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,303 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,303 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,303 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,304 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,304 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,304 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,305 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,305 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,305 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,306 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,306 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,306 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,307 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,307 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,307 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,308 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,308 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,308 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,309 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,309 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,309 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,310 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,310 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,310 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,311 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,311 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,311 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,312 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,312 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,312 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,313 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,313 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,313 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,314 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,314 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,314 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,315 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,315 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,315 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,316 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,316 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,316 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,317 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,317 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,317 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,318 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,318 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,318 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,319 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,319 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,319 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,320 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,321 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,321 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,321 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,322 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,322 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,322 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,323 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,323 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,323 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,324 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,324 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,324 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,325 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,325 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,325 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,326 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,326 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,326 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,327 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,327 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,327 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,328 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,328 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,328 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,329 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,329 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,329 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,330 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,330 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,330 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,331 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,331 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,331 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,332 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,332 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,332 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,333 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,333 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,333 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,334 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,334 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,334 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,335 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,335 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,335 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,336 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,336 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,336 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,338 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,338 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,338 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,340 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,340 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,340 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,341 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,341 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,341 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,342 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,342 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,342 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,343 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,343 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,343 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,344 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,344 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,344 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,345 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,345 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,345 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,346 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,346 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,346 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,347 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,347 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,347 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,348 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,348 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,348 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,349 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,349 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,349 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,350 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,350 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,350 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,351 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,351 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,351 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,352 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,352 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,352 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,353 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,353 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,353 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,354 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,354 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,354 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,355 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,355 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,355 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,356 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,356 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,356 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,357 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,357 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,357 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,358 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,358 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,358 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,359 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,359 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,359 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,360 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,360 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,360 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,361 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,361 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,361 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,362 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,362 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,363 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,363 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,363 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,364 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,364 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,364 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,365 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,365 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,365 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,366 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,366 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,366 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,367 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,367 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,367 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,368 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,368 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,368 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,369 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,369 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,369 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,370 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,370 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,370 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,371 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,371 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,371 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,372 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,372 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,372 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,373 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,373 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,373 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,374 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,374 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,374 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,375 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,375 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,375 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,376 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,376 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,376 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,377 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,377 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,377 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,378 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,378 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,378 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,379 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,379 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,379 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,380 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,380 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,380 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,381 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,381 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,381 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,382 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,382 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,382 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,383 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,383 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,383 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,384 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,384 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,384 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,385 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,385 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,385 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,386 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,386 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,386 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,387 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,387 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,387 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,388 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,388 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,388 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,390 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,390 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,390 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,391 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,391 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,391 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,392 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,392 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,392 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,393 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,393 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,394 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,394 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,394 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,395 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,395 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,395 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,396 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,396 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,396 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,397 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,397 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,397 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,398 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,398 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,398 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,399 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,399 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,399 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,400 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,400 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,400 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,401 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,401 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,401 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,402 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,402 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,402 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,403 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,403 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,403 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,404 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,404 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,404 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,405 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,405 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,405 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,406 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,406 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,406 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,408 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,408 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,408 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,410 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,410 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,410 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,411 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,411 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,411 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,412 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,412 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,412 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,413 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,413 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,413 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,414 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,414 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,414 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,415 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,415 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,415 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,416 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,416 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,416 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,417 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,417 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,417 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,418 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,418 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,418 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,419 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,419 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,419 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,420 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,420 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,421 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,421 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,421 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,422 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,422 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,422 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,423 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,423 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,423 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,424 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,424 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,424 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,425 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,425 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,425 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,426 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,426 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,426 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,427 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,427 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,427 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,428 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,428 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,428 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,429 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,429 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,429 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,430 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,430 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,430 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,431 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,431 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,431 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,432 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,432 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,432 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,433 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,433 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,433 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,434 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,434 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,434 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,435 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,435 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,435 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,436 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,436 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,436 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,437 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,437 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,437 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,438 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,438 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,438 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,439 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,439 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,439 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,440 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,440 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,440 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,441 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,441 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,441 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,442 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,442 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,443 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,443 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,443 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,444 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,444 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,444 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,445 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,445 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,445 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,446 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,446 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,446 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,447 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,447 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,447 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,448 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,448 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,448 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,449 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,449 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,449 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,450 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,450 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,450 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,451 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,451 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,451 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,452 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,452 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,452 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,453 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,453 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,453 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,454 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,454 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,454 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,455 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,455 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,455 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,456 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,456 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,456 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,457 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,457 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,457 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,458 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,458 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,458 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,459 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,459 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,459 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,460 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,460 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,460 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,461 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,461 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,461 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,462 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,462 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,462 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,463 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,463 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,463 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,464 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,464 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,464 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,464 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,465 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,465 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,465 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,466 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,466 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,466 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,467 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,467 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,467 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,468 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,468 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,468 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,469 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,469 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,469 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,470 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,470 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,470 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,471 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,471 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,471 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,472 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,472 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,472 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,473 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,473 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,473 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,474 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,474 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,474 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,475 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,475 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,475 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,476 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,476 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,476 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,477 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,477 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,477 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,478 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,478 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,478 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,479 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,479 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,479 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,480 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,480 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,480 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,481 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,481 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,481 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,482 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,482 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,482 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,483 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,483 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,483 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,484 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,484 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,484 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,485 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,485 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,485 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,486 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,486 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,486 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,487 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,487 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,487 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,488 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,488 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,488 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,489 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,489 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,489 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,490 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,490 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,490 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,491 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,491 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,491 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,491 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,492 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,492 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,492 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,493 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,493 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,493 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,494 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,494 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,494 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,495 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,495 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,495 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,496 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,496 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,496 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,497 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,497 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,497 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,498 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,498 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,498 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,499 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,499 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,499 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,500 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,500 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,501 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,501 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,501 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,501 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,502 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,502 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,502 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,503 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,503 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,503 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,504 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,504 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,504 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,505 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,505 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,505 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,506 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,506 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,506 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,507 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,507 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,507 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,508 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,508 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,508 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,509 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,509 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,509 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,510 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,510 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,510 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,511 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,511 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,511 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,512 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,512 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,513 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Message: <twisted.logger._stdlib.StringifiableFromEvent object at 0x8523c4320>
>2019-05-28 15:06:02,513 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Arguments: ()
>2019-05-28 15:06:02,513 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,514 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- The above exception was the direct cause of the following exception:
>2019-05-28 15:06:02,514 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,514 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,515 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 378, in _send_request
>2019-05-28 15:06:02,515 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     raise_from(RequestSendFailed(e, can_retry=retry_on_dns_fail), e)
>2019-05-28 15:06:02,515 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "<string>", line 3, in raise_from
>2019-05-28 15:06:02,516 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,518 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,519 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 376, in _send_request
>2019-05-28 15:06:02,519 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     response = yield request_deferred
>2019-05-28 15:06:02,519 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:02,520 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:02,520 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:02,520 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:02,521 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/federation/matrix_federation_agent.py", line 176, in request
>2019-05-28 15:06:02,521 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     agent.request(method, uri, headers, bodyProducer)
>2019-05-28 15:06:02,521 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,522 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,522 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 975, in startConnectionAttempts
>2019-05-28 15:06:02,522 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "no results for hostname lookup: {}".format(self._hostStr)
>2019-05-28 15:06:02,523 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,524 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,525 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,525 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- The above exception was the direct cause of the following exception:
>2019-05-28 15:06:02,526 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,526 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,526 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 378, in _send_request
>2019-05-28 15:06:02,527 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     raise_from(RequestSendFailed(e, can_retry=retry_on_dns_fail), e)
>2019-05-28 15:06:02,527 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "<string>", line 3, in raise_from
>2019-05-28 15:06:02,528 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,528 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:02,530 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,530 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,530 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,530 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,531 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,531 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,532 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 295: ordinal not in range(128)
>2019-05-28 15:06:02,532 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,532 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,533 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,533 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,533 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,534 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,534 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,534 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,535 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,535 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,535 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,536 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,536 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,536 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,537 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,537 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,537 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,537 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,538 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,538 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,538 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,539 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,539 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,539 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,540 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,540 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,540 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,541 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,541 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,541 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,542 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,542 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,542 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,543 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,543 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,543 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,544 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,544 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,544 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,545 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,545 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,545 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,546 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,546 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,546 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,547 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,547 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,547 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,548 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,548 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,548 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,549 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,549 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,549 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,550 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,550 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,550 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,551 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,551 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,551 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,552 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,552 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,552 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,553 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,553 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,553 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,554 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,554 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,554 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,555 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,555 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,556 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,556 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,556 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,557 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,557 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,557 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,558 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,558 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,558 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,559 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,559 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,559 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,560 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,560 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,560 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,561 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,561 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,561 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,562 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,562 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,562 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,563 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,563 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,563 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,564 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,564 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,564 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,565 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,565 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,565 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,566 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,566 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,566 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,567 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,567 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,567 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,568 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,568 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,568 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,569 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,569 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,569 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,570 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,570 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,570 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,571 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,571 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,571 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,572 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,572 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,572 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,573 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,573 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,573 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,574 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,574 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,574 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,575 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,575 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,575 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,576 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,576 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,576 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,577 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,577 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,577 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,578 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,578 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,578 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,579 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,579 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,579 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,580 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,580 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,580 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,581 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,581 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,581 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,582 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,582 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,582 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,583 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,583 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,583 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,584 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,584 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,584 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,585 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,585 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,585 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,586 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,586 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,586 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,587 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,587 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,587 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,588 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,588 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,588 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,589 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,589 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,589 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,590 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,590 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,590 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,591 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,591 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,591 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,591 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,592 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,592 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,593 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,593 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,593 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,593 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,594 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,594 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,594 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,595 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,595 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,595 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,596 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,596 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,596 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,597 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,597 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,597 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,598 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,598 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,598 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,599 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,599 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,599 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,600 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,600 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,600 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,601 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,601 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,601 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,602 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,602 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,602 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,603 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,603 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,603 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,604 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:02,604 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Call stack:
>2019-05-28 15:06:02,612 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 193, in _run_module_as_main
>2019-05-28 15:06:02,612 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "__main__", mod_spec)
>2019-05-28 15:06:02,613 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 85, in _run_code
>2019-05-28 15:06:02,613 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     exec(code, run_globals)
>2019-05-28 15:06:02,613 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 661, in <module>
>2019-05-28 15:06:02,614 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     main()
>2019-05-28 15:06:02,614 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 657, in main
>2019-05-28 15:06:02,614 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     run(hs)
>2019-05-28 15:06:02,615 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 648, in run
>2019-05-28 15:06:02,615 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logger=logger,
>2019-05-28 15:06:02,615 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 141, in start_reactor
>2019-05-28 15:06:02,616 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     daemon.start()
>2019-05-28 15:06:02,616 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/daemonize.py", line 248, in start
>2019-05-28 15:06:02,616 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.action(*privileged_action_result)
>2019-05-28 15:06:02,617 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 127, in run
>2019-05-28 15:06:02,617 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     reactor.run()
>2019-05-28 15:06:02,617 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1267, in run
>2019-05-28 15:06:02,617 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.mainLoop()
>2019-05-28 15:06:02,618 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1276, in mainLoop
>2019-05-28 15:06:02,618 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.runUntilCurrent()
>2019-05-28 15:06:02,618 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/metrics/__init__.py", line 347, in f
>2019-05-28 15:06:02,619 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     ret = func(*args, **kwargs)
>2019-05-28 15:06:02,619 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 875, in runUntilCurrent
>2019-05-28 15:06:02,619 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     f(*a, **kw)
>2019-05-28 15:06:02,620 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:02,620 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:02,620 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,621 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,621 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,621 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,622 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/_resolver.py", line 137, in deliverResults
>2019-05-28 15:06:02,622 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     resolutionReceiver.resolutionComplete()
>2019-05-28 15:06:02,622 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 921, in resolutionComplete
>2019-05-28 15:06:02,623 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     d.callback(addresses)
>2019-05-28 15:06:02,623 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:02,623 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:02,624 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,624 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,624 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,625 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,625 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:02,625 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:02,626 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1464, in _inlineCallbacks
>2019-05-28 15:06:02,626 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     status.deferred.errback()
>2019-05-28 15:06:02,626 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:02,627 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:02,627 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,627 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,628 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,628 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,628 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/util/async_helpers.py", line 452, in failure_cb
>2019-05-28 15:06:02,629 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     new_d.errback(val)
>2019-05-28 15:06:02,629 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:02,629 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:02,630 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:02,630 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:02,630 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:02,631 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:02,631 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:02,631 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:02,632 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:02,632 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:02,632 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:02,633 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:02,633 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 437, in _send_request
>2019-05-28 15:06:02,633 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _flatten_response_never_received(e.inner_exception),
>2019-05-28 15:06:02,634 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1325, in warn
>2019-05-28 15:06:02,634 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.warning(msg, *args, **kwargs)
>2019-05-28 15:06:02,634 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1320, in warning
>2019-05-28 15:06:02,635 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(WARNING, msg, args, **kwargs)
>2019-05-28 15:06:02,635 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,635 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,636 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,636 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,636 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,636 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,637 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,637 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,637 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,638 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,638 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,638 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,639 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,639 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,639 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,640 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,640 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,640 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,641 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,641 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,641 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,642 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,642 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,642 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,643 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,643 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,643 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,644 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,644 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,644 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,645 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,645 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,645 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,646 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,646 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,646 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,647 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,647 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,647 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,648 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,648 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,648 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,649 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,649 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,649 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,650 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,650 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,650 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,651 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,651 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,651 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,652 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,652 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,652 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,653 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,653 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,653 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,654 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,654 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,654 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,655 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,655 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,655 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,655 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,656 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,656 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,656 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,657 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,657 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,657 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,658 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,658 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,658 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,659 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,659 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,659 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,660 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,660 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,660 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,661 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,661 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,661 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,662 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,662 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,662 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,663 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,663 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,663 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,664 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,664 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,664 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,665 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,665 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,665 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,666 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,666 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,666 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,667 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,667 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,667 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,668 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,668 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,668 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,669 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,669 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,669 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,670 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,670 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,670 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,671 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,671 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,671 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,672 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,672 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,672 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,672 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,673 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,673 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,673 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,674 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,674 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,674 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,675 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,675 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,675 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,676 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,676 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,676 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,677 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,677 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,677 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,678 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,678 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,678 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,679 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,679 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,679 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,680 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,680 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,680 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,681 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,681 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,681 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,682 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,682 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,682 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,683 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,683 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,683 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,684 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,684 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,684 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,685 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,685 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,685 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,686 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,686 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,686 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,687 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,687 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,687 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,688 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,688 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,688 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,689 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,689 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,689 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,690 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,690 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,691 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,691 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,691 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,692 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,692 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,692 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,693 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,693 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,693 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,694 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,694 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,694 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,694 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,695 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,695 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,695 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,696 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,696 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,696 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,697 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,697 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,697 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,698 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,698 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,698 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,699 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,699 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,699 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,700 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,700 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,700 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,701 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,701 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,701 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,702 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,702 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,702 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,703 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,703 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,705 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,707 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,708 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,709 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,709 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,709 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,710 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,710 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,710 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,711 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,711 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,711 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,713 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,713 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,713 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,714 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,714 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,715 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,715 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,715 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,716 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,716 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,717 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,717 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,717 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,718 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,719 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,719 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,720 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,721 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,721 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,721 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,722 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,722 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,722 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,723 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,724 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,725 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,725 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,726 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,726 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,726 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,727 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,727 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,728 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,728 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,728 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,729 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,729 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,730 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,730 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,731 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,731 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,732 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,733 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,733 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,734 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,734 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,735 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,735 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,735 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,736 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,736 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,737 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,738 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,738 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,739 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,739 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,739 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,740 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,740 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,741 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,741 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,741 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,742 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,742 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,742 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,743 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,743 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,744 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,744 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,744 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,745 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,745 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,746 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,746 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,746 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,747 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,747 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,748 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,748 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,749 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,749 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,749 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,750 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,750 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,751 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,751 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,752 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,752 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,752 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,753 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,753 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,753 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,754 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,754 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,754 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,755 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,755 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,755 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,756 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,756 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,756 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,757 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,757 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,757 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,758 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,758 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,758 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,759 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,759 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,759 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,760 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,760 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,760 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,761 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,761 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,761 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,762 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,762 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,762 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,763 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,763 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,763 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,764 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,764 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,764 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,765 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,765 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,765 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,766 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,767 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,767 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,767 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,768 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,768 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,768 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,769 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,769 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,769 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,770 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,770 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,770 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,771 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,771 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,771 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,772 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,772 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,772 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,773 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,773 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,773 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,774 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,774 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,774 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,775 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,775 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,775 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,776 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,776 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,776 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,777 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,777 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,777 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,778 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,778 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,778 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,779 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,779 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,779 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,780 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,780 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,780 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,781 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,781 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,781 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,782 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,782 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,782 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,783 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,784 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,784 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,784 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,785 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,785 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,785 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,786 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,787 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,787 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,787 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,788 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,788 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,788 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,789 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,789 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,789 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,790 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,790 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,790 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,791 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,791 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,791 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,792 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,792 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,792 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,793 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,793 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,793 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,794 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,794 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,794 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,795 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,795 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,795 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,796 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,796 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,796 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,797 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,797 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,797 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,798 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,798 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,798 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,799 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,799 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,799 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,800 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,800 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,800 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,801 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,801 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,801 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,802 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,802 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,802 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,803 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,803 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,803 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,804 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,804 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,804 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,805 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,805 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,805 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,806 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,806 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,806 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,807 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,807 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,807 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,808 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,808 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,808 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,809 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,809 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,809 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,810 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,810 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,810 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,811 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,812 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,812 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,812 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,813 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,813 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,813 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,814 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,814 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,814 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,815 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,815 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,815 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,816 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,816 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,816 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,817 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,817 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,817 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,818 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,818 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,818 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,819 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,819 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,819 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,820 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,820 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,820 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,821 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,821 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,821 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,822 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,822 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,822 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,823 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,823 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,823 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,824 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,824 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,824 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,825 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,825 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,826 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,826 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,826 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,827 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,827 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,827 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,828 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,828 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,828 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,829 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,829 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,829 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,830 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,830 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,830 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,831 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,831 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,831 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,832 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,832 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,832 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,833 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,833 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,833 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,834 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,834 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,834 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,835 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,835 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,835 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,836 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,836 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,836 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,837 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,837 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,837 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,838 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,838 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,838 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,839 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,839 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,839 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,840 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,840 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,840 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,841 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,842 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,842 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,842 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,843 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,843 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,843 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,844 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,844 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,844 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,845 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,845 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,845 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,846 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,846 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,846 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,847 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,847 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,847 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,848 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,848 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,848 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,849 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,849 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,849 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,850 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,850 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,850 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,851 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,851 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,851 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,852 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,852 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,852 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,853 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,853 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,853 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,854 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,854 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,854 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,855 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,855 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,855 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,856 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,856 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,856 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,857 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,857 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,857 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,858 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,858 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,858 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,859 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,860 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,860 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,860 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,861 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,861 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,861 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,862 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,862 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,862 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,863 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,863 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,863 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,864 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,864 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,864 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,865 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,865 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,865 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,866 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,866 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,866 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,867 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,867 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,867 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,868 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,868 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,868 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,869 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,869 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,869 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,870 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,870 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,870 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,871 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,871 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,871 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,872 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,872 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,872 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,873 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,873 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,873 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,874 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,874 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,874 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,875 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,875 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,875 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,876 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,876 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,876 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,877 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,877 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,877 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,878 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,879 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,879 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,879 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,880 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,880 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,880 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,881 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,881 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,881 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,882 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,882 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,882 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,883 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,883 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,883 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,884 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,884 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,884 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,885 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,885 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,885 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,886 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,886 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,886 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,887 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,887 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,887 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,888 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,888 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,888 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,889 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,889 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,889 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,890 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,890 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,890 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,891 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,891 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,891 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,892 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,892 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,892 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,893 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,893 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,893 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,894 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,894 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,894 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,895 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,895 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,895 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,896 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,896 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,896 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,897 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,898 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,898 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,898 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,899 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,899 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,899 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,900 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,900 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,900 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,901 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,901 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,901 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,902 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,902 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,902 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,903 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,903 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,903 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,904 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,904 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,904 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,905 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,905 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,905 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,906 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,906 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,906 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,907 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,907 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,907 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,908 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,908 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,908 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,909 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,909 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,909 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,910 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,910 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,910 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,911 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,911 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,911 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,912 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,912 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,912 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,913 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,913 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,913 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,914 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,914 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,914 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,915 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,915 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,915 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,916 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,916 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,916 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,917 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,917 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,917 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,918 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,918 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,918 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,919 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,919 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,919 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,920 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,921 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,922 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,922 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,922 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,923 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,923 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,923 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,924 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,924 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,924 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,925 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,925 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,925 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,926 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,926 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,926 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,927 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,927 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,927 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,928 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,928 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,928 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,929 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,929 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,929 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,930 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,930 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,930 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,931 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,931 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,932 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,932 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,932 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,933 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,933 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,933 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,934 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,934 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,934 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,935 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,935 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,935 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,936 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,936 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,936 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,937 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,937 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,937 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,938 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,938 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,938 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,939 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,939 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,939 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,940 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,940 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,940 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,941 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,941 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,941 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,942 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,942 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,942 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,943 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,943 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,943 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,944 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,944 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,944 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,945 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,945 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,945 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,946 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,946 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,946 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,947 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,948 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:02,948 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:02,948 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:02,949 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:02,949 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:02,949 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:02,950 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:02,950 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:02,950 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:02,951 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:02,951 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:02,951 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:02,952 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:02,952 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:02,952 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:02,953 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:02,953 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:02,953 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:02,954 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:02,954 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:02,954 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:02,955 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:02,955 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:02,955 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:02,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:02,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:02,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:02,956 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:02,957 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:02,957 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:02,958 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Message: <twisted.logger._stdlib.StringifiableFromEvent object at 0x8523c42b0>
>2019-05-28 15:06:02,958 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Arguments: ()
>2019-05-28 15:06:02,958 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,959 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,959 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,959 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,960 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,960 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,961 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 295: ordinal not in range(128)
>2019-05-28 15:06:02,961 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,961 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,962 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,962 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,962 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,963 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,963 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,963 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,964 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,964 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,964 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,965 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,965 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,965 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,966 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,966 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,966 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,967 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,967 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,967 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,968 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,968 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,968 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,969 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,969 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,969 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,970 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,970 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,970 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,971 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,971 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,971 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,972 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,972 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,972 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,973 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,973 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,973 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,974 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,975 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,975 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,975 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,976 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,976 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,976 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,977 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,977 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,977 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,978 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,978 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,978 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,979 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,979 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,979 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,980 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,980 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,980 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,981 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,981 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,981 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,982 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,982 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,982 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,983 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,983 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,983 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,984 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,985 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,985 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,985 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,986 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,986 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,986 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,987 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,987 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,987 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,988 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,988 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,988 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,989 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,989 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,989 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,990 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,990 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,990 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,991 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,991 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,991 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,992 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,992 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,992 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,993 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,993 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,993 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,994 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,994 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,994 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,995 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,995 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,995 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,996 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,996 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,996 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,997 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,997 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:02,997 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:02,998 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:02,998 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:02,998 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,999 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:02,999 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:02,999 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,000 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,000 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,000 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,001 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,001 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,001 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,002 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,002 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,002 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,003 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,003 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,003 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,004 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,004 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,004 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,005 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,005 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,005 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,006 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,006 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,006 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,007 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,007 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,007 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,008 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,009 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,009 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,009 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,010 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,010 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,010 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,011 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,012 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,012 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,013 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,013 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,013 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,014 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,014 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,014 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,015 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,015 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,015 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,016 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,016 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,016 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,017 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,017 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,017 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,018 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,018 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,018 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,019 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,019 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,019 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,020 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,020 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,020 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,021 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,021 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,021 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,022 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,022 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,022 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,023 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,024 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,024 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,024 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,025 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,025 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,025 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,026 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,026 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,026 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,027 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,028 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,028 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,028 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,029 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,029 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,029 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,030 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,030 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,030 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,031 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,031 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,032 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Call stack:
>2019-05-28 15:06:03,039 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 193, in _run_module_as_main
>2019-05-28 15:06:03,040 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "__main__", mod_spec)
>2019-05-28 15:06:03,040 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 85, in _run_code
>2019-05-28 15:06:03,040 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     exec(code, run_globals)
>2019-05-28 15:06:03,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 661, in <module>
>2019-05-28 15:06:03,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     main()
>2019-05-28 15:06:03,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 657, in main
>2019-05-28 15:06:03,041 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     run(hs)
>2019-05-28 15:06:03,042 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/homeserver.py", line 648, in run
>2019-05-28 15:06:03,042 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logger=logger,
>2019-05-28 15:06:03,042 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 141, in start_reactor
>2019-05-28 15:06:03,043 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     daemon.start()
>2019-05-28 15:06:03,043 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/daemonize.py", line 248, in start
>2019-05-28 15:06:03,043 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.action(*privileged_action_result)
>2019-05-28 15:06:03,044 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/app/_base.py", line 127, in run
>2019-05-28 15:06:03,044 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     reactor.run()
>2019-05-28 15:06:03,044 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1267, in run
>2019-05-28 15:06:03,045 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.mainLoop()
>2019-05-28 15:06:03,045 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 1276, in mainLoop
>2019-05-28 15:06:03,045 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.runUntilCurrent()
>2019-05-28 15:06:03,046 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/metrics/__init__.py", line 347, in f
>2019-05-28 15:06:03,046 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     ret = func(*args, **kwargs)
>2019-05-28 15:06:03,046 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/base.py", line 875, in runUntilCurrent
>2019-05-28 15:06:03,047 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     f(*a, **kw)
>2019-05-28 15:06:03,047 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:03,047 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:03,048 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:03,048 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:03,048 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:03,049 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:03,049 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/_resolver.py", line 137, in deliverResults
>2019-05-28 15:06:03,049 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     resolutionReceiver.resolutionComplete()
>2019-05-28 15:06:03,050 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 921, in resolutionComplete
>2019-05-28 15:06:03,050 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     d.callback(addresses)
>2019-05-28 15:06:03,050 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 460, in callback
>2019-05-28 15:06:03,051 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(result)
>2019-05-28 15:06:03,051 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:03,051 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:03,052 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:03,052 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:03,052 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:03,053 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:03,053 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1464, in _inlineCallbacks
>2019-05-28 15:06:03,053 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     status.deferred.errback()
>2019-05-28 15:06:03,054 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:03,054 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:03,054 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:03,055 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:03,055 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:03,055 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:03,056 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/util/async_helpers.py", line 452, in failure_cb
>2019-05-28 15:06:03,056 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     new_d.errback(val)
>2019-05-28 15:06:03,056 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 501, in errback
>2019-05-28 15:06:03,057 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._startRunCallbacks(fail)
>2019-05-28 15:06:03,057 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
>2019-05-28 15:06:03,057 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._runCallbacks()
>2019-05-28 15:06:03,058 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:03,058 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:03,058 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1475, in gotResult
>2019-05-28 15:06:03,059 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _inlineCallbacks(r, g, status)
>2019-05-28 15:06:03,059 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:03,059 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:03,060 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:03,060 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:03,060 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 437, in _send_request
>2019-05-28 15:06:03,061 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     _flatten_response_never_received(e.inner_exception),
>2019-05-28 15:06:03,061 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1325, in warn
>2019-05-28 15:06:03,061 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.warning(msg, *args, **kwargs)
>2019-05-28 15:06:03,062 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1320, in warning
>2019-05-28 15:06:03,062 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(WARNING, msg, args, **kwargs)
>2019-05-28 15:06:03,062 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,063 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,063 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,063 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,064 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,064 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,064 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,065 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,065 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,065 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,066 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,066 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,066 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,067 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,067 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,067 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,068 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,068 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,068 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,069 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,069 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,069 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,070 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,070 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,070 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,071 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,071 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,071 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,072 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,072 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,072 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,072 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,073 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,073 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,073 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,074 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,074 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,074 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,075 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,075 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,075 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,076 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,076 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,076 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,077 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,077 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,077 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,078 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,078 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,078 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,079 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,079 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,079 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,080 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,080 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,080 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,081 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,081 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,081 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,082 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,082 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,082 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,083 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,083 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,083 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,084 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,084 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,084 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,085 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,085 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,085 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,086 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,086 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,086 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,087 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,087 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,087 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,088 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,088 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,088 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,089 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,089 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,089 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,090 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,090 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,090 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,091 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,091 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,091 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,092 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,092 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,092 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,093 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,093 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,093 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,094 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,094 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,094 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,095 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,095 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,096 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,096 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,096 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,097 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,098 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,098 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,098 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,099 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,100 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,100 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,100 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,101 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,101 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,101 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,102 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,102 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,102 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,103 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,103 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,103 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,104 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,105 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,105 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,105 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,106 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,107 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,107 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,107 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,108 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,108 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,109 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,109 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,110 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,110 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,110 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,111 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,111 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,112 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,112 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,113 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,113 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,113 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,114 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,114 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,114 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,115 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,115 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,115 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,116 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,116 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,116 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,117 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,117 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,117 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,118 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,119 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,119 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,119 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,120 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,120 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,120 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,121 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,121 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,121 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,122 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,122 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,122 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,123 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,123 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,123 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,124 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,124 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,124 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,125 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,125 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,125 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,126 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,126 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,126 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,127 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,127 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,127 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,128 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,128 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,128 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,129 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,129 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,129 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,130 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,130 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,130 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,131 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,131 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,131 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,132 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,133 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,134 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,134 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,134 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,135 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,135 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,135 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,136 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,136 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,136 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,137 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,137 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,137 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,138 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,138 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,138 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,139 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,139 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,139 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,140 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,140 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,140 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,141 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,141 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,141 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,142 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,142 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,142 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,143 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,143 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,143 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,144 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,144 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,144 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,145 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,145 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,145 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,146 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,146 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,146 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,147 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,147 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,147 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,148 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,148 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,148 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,149 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,149 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,149 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,150 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,150 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,150 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,151 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,151 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,152 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,152 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,152 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,153 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,153 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,153 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,154 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,154 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,154 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,155 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,155 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,155 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,156 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,156 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,156 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,157 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,157 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,157 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,158 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,158 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,158 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,159 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,160 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,160 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,160 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,161 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,162 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,162 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,162 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,163 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,163 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,163 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,164 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,164 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,164 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,165 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,165 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,165 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,166 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,167 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,167 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,167 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,168 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,168 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,168 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,169 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,169 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,169 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,170 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,170 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,170 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,171 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,171 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,171 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,172 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,172 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,172 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,173 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,173 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,173 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,174 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,174 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,174 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,175 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,175 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,175 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,176 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,176 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,176 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,177 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,177 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,177 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,178 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,178 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,178 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,179 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,179 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,179 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,180 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,180 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,180 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,181 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,181 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,181 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,182 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,182 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,182 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,183 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,183 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,183 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,184 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,184 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,184 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,185 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,185 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,185 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,186 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,186 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,186 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,187 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,187 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,187 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,188 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,188 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,188 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,189 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,189 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,189 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,190 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,190 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,190 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,191 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,191 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,192 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,192 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,192 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,193 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,193 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,193 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,194 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,194 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,194 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,195 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,195 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,195 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,196 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,196 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,196 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,197 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,197 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,197 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,198 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,198 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,198 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,199 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,199 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,199 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,200 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,200 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,200 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,201 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,201 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,201 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,202 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,202 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,202 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,203 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,203 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,203 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,204 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,204 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,204 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,205 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,206 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,206 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,206 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,207 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,207 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,207 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,208 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,208 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,208 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,209 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,209 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,209 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,210 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,210 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,210 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,211 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,211 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,211 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,212 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,212 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,212 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,213 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,213 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,213 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,214 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,214 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,214 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,215 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,215 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,215 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,216 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,216 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,216 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,217 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,217 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,218 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,218 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,218 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,219 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,219 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,219 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,220 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,221 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,221 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,221 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,222 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,222 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,222 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,223 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,223 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,223 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,224 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,224 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,224 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,225 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,225 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,225 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,226 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,226 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,226 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,227 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,227 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,227 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,228 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,228 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,228 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,229 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,229 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,229 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,230 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,231 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,231 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,231 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,232 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,233 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,233 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,233 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,234 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,234 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,234 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,235 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,235 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,235 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,236 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,236 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,236 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,237 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,237 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,237 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,238 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,238 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,238 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,239 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,239 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,239 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,240 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,240 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,240 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,241 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,241 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,241 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,242 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,242 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,242 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,243 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,243 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,243 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,244 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,244 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,244 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,245 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,245 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,245 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,246 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,246 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,246 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,247 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,247 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,247 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,248 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,248 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,248 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,249 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,249 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,249 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,250 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,250 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,250 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,251 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,251 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,251 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,252 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,252 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,252 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,253 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,253 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,253 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,254 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,254 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,254 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,255 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,255 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,255 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,256 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,256 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,256 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,257 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,257 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,257 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,258 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,258 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,258 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,259 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,259 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,259 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,260 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,260 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,260 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,261 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,261 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,261 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,262 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,262 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,262 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,263 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,264 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,264 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,264 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,265 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,265 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,265 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,266 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,266 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,266 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,267 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,267 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,267 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,268 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,268 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,268 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,269 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,269 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,269 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,270 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,270 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,270 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,271 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,271 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,271 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,272 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,272 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,272 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,273 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,273 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,273 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,274 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,274 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,274 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,275 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,275 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,275 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,276 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,276 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,276 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,277 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,277 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,277 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,278 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,278 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,278 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,279 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,279 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,279 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,280 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,280 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,280 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,281 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,281 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,281 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,282 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,282 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,282 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,283 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,283 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,283 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,284 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,284 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,284 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,285 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,285 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,285 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,286 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,286 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,286 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,287 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,287 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,287 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,288 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,288 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,288 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,289 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,289 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,289 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,290 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,290 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,290 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,291 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,291 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,291 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,292 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,292 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,292 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,293 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,293 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,293 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,294 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,294 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,294 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,295 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,295 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,295 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,296 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,296 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,296 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,297 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,297 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,297 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,298 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,298 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,298 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,299 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,299 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,299 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,300 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,300 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,300 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,301 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,301 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,301 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,302 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,302 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,302 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,303 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,303 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,303 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,304 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,304 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,304 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,305 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,305 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,305 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,306 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,306 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,306 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,307 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,307 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,307 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,308 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,308 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,308 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,309 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,309 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,309 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,310 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,310 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,310 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,311 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,311 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,311 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,312 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,312 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,312 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,313 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,313 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,313 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,314 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,314 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,314 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,315 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,315 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,315 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,316 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,316 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,316 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,317 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,317 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,317 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,318 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,318 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,318 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,319 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,319 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,319 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,320 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,320 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,320 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,321 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,321 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,321 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,322 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,322 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,322 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,323 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,323 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,323 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,324 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,324 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,324 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,325 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,325 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,325 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,326 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,326 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,326 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,327 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,327 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,327 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,328 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,328 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,328 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,329 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,329 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,329 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,330 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,330 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,330 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,331 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,331 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,331 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,332 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,332 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,332 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,333 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,333 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,333 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,334 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,334 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,334 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,335 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,335 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,335 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,336 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,336 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,336 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,337 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,338 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,338 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,338 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,339 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,340 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,340 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,340 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,341 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,341 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,341 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,342 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,342 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,342 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,343 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,343 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,343 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,344 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,344 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,344 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,345 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,345 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,345 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,346 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,346 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,346 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,347 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,347 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,347 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,348 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,348 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,348 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,349 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,349 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,349 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,350 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,350 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,350 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,351 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,351 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,351 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,352 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,352 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1374, in log
>2019-05-28 15:06:03,352 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self._log(level, msg, args, **kwargs)
>2019-05-28 15:06:03,353 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1444, in _log
>2019-05-28 15:06:03,353 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handle(record)
>2019-05-28 15:06:03,353 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1454, in handle
>2019-05-28 15:06:03,354 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.callHandlers(record)
>2019-05-28 15:06:03,354 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1516, in callHandlers
>2019-05-28 15:06:03,354 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     hdlr.handle(record)
>2019-05-28 15:06:03,355 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 865, in handle
>2019-05-28 15:06:03,355 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.emit(record)
>2019-05-28 15:06:03,355 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/handlers.py", line 73, in emit
>2019-05-28 15:06:03,356 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     logging.FileHandler.emit(self, record)
>2019-05-28 15:06:03,356 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1072, in emit
>2019-05-28 15:06:03,356 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     StreamHandler.emit(self, record)
>2019-05-28 15:06:03,357 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 1000, in emit
>2019-05-28 15:06:03,357 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.handleError(record)
>2019-05-28 15:06:03,357 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 918, in handleError
>2019-05-28 15:06:03,358 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     traceback.print_exception(t, v, tb, None, sys.stderr)
>2019-05-28 15:06:03,358 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/traceback.py", line 105, in print_exception
>2019-05-28 15:06:03,358 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     print(line, file=file, end="")
>2019-05-28 15:06:03,359 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_io.py", line 170, in write
>2019-05-28 15:06:03,359 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.log.emit(self.level, format=u"{log_io}", log_io=line)
>2019-05-28 15:06:03,359 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_logger.py", line 144, in emit
>2019-05-28 15:06:03,360 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     self.observer(event)
>2019-05-28 15:06:03,360 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_observer.py", line 131, in __call__
>2019-05-28 15:06:03,360 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     observer(event)
>2019-05-28 15:06:03,361 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/config/logger.py", line 242, in _log
>2019-05-28 15:06:03,361 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return observer(event)
>2019-05-28 15:06:03,361 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/logger/_stdlib.py", line 116, in __call__
>2019-05-28 15:06:03,362 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stdlibLevel, StringifiableFromEvent(event), exc_info=excInfo)
>2019-05-28 15:06:03,362 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Message: <twisted.logger._stdlib.StringifiableFromEvent object at 0x852246e80>
>2019-05-28 15:06:03,362 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Arguments: ()
>2019-05-28 15:06:03,363 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,363 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- The above exception was the direct cause of the following exception:
>2019-05-28 15:06:03,364 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,364 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,364 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 378, in _send_request
>2019-05-28 15:06:03,365 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     raise_from(RequestSendFailed(e, can_retry=retry_on_dns_fail), e)
>2019-05-28 15:06:03,365 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "<string>", line 3, in raise_from
>2019-05-28 15:06:03,366 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:03,368 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,369 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 376, in _send_request
>2019-05-28 15:06:03,369 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     response = yield request_deferred
>2019-05-28 15:06:03,370 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:03,370 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:03,370 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:03,371 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:03,371 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/federation/matrix_federation_agent.py", line 176, in request
>2019-05-28 15:06:03,371 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     agent.request(method, uri, headers, bodyProducer)
>2019-05-28 15:06:03,372 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:03,372 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:03,372 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 975, in startConnectionAttempts
>2019-05-28 15:06:03,373 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "no results for hostname lookup: {}".format(self._hostStr)
>2019-05-28 15:06:03,373 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:03,376 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,376 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 376, in _send_request
>2019-05-28 15:06:03,376 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     response = yield request_deferred
>2019-05-28 15:06:03,377 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
>2019-05-28 15:06:03,377 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     result = result.throwExceptionIntoGenerator(g)
>2019-05-28 15:06:03,377 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
>2019-05-28 15:06:03,378 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     return g.throw(self.type, self.value, self.tb)
>2019-05-28 15:06:03,378 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/federation/matrix_federation_agent.py", line 176, in request
>2019-05-28 15:06:03,378 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     agent.request(method, uri, headers, bodyProducer)
>2019-05-28 15:06:03,379 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
>2019-05-28 15:06:03,379 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     current.result = callback(current.result, *args, **kw)
>2019-05-28 15:06:03,379 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/twisted/internet/endpoints.py", line 975, in startConnectionAttempts
>2019-05-28 15:06:03,380 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "no results for hostname lookup: {}".format(self._hostStr)
>2019-05-28 15:06:03,380 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:03,381 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:03,382 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,383 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- The above exception was the direct cause of the following exception:
>2019-05-28 15:06:03,383 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,383 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,384 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/site-packages/synapse/http/matrixfederationclient.py", line 378, in _send_request
>2019-05-28 15:06:03,384 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     raise_from(RequestSendFailed(e, can_retry=retry_on_dns_fail), e)
>2019-05-28 15:06:03,384 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "<string>", line 3, in raise_from
>2019-05-28 15:06:03,385 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:03,385 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- --- Logging error ---
>2019-05-28 15:06:03,387 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,387 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,387 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,388 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,388 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,388 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 295: ordinal not in range(128)
>2019-05-28 15:06:03,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,389 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,390 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,390 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,391 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,391 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,391 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,392 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,392 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,392 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,393 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,393 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,393 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,394 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,394 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,394 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,395 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,395 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,395 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,396 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,396 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,396 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,397 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,397 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,397 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,398 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,398 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,399 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,399 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,399 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,400 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,400 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,400 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,401 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,401 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,401 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,402 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,402 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,402 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,403 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,403 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,403 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,404 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,404 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,404 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,405 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,405 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,405 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,406 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,406 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,406 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,407 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,408 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,408 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,409 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,410 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,410 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,410 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,411 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,411 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,411 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,412 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,412 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,412 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,413 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,413 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,413 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,414 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,414 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,414 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,415 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,415 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,415 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,416 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,416 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,416 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,417 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,417 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,417 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,418 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,418 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,418 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,419 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,419 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,419 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,420 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,420 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,420 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,421 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,421 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,421 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,422 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,422 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,422 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,423 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,423 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,423 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,424 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,424 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,424 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,425 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,425 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,425 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,426 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,426 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,426 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,427 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,427 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,427 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,428 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,428 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,428 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,429 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,429 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,429 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,430 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,430 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,430 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,431 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,431 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,431 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,432 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,432 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,432 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,433 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,433 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,433 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,434 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,434 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,434 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,435 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,435 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,435 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,436 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,436 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,436 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,437 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,437 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,437 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,438 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,438 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,438 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,439 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,439 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,439 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,440 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,440 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,440 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,441 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,441 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,441 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,442 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,442 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,442 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,443 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,443 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,443 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,444 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,444 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,444 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,447 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,447 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,449 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,450 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,451 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,452 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,452 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,454 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,454 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,455 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,456 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,457 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,457 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,459 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,459 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,459 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,461 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,461 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,463 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,464 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,464 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,465 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,466 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,467 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,468 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,469 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,469 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,471 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,471 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,472 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,473 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,474 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,474 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,475 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,476 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,477 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,477 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,479 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,479 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,480 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,481 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,482 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,482 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,484 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,484 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 229: ordinal not in range(128)
>2019-05-28 15:06:03,485 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,486 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- During handling of the above exception, another exception occurred:
>2019-05-28 15:06:03,487 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- 
>2019-05-28 15:06:03,487 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Traceback (most recent call last):
>2019-05-28 15:06:03,489 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/logging/__init__.py", line 996, in emit
>2019-05-28 15:06:03,489 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     stream.write(msg)
>2019-05-28 15:06:03,490 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' in position 190: ordinal not in range(128)
>2019-05-28 15:06:03,491 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464- Call stack:
>2019-05-28 15:06:03,500 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 193, in _run_module_as_main
>2019-05-28 15:06:03,501 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-     "__main__", mod_spec)
>2019-05-28 15:06:03,501 - twisted - 242 - ERROR - federation_transaction_transmission_loop-464-   File "/usr/local/lib/python3.6/runpy.py", line 85, in _run_code

Actions: View

Attachments on bug 238190: 204668