Getty is missing the speed table entry for 230400 baud.
Fix: A context diff to libexec/getty/subr.c is appended.
Note that it might be worth adding a std.230400 entry to
the default /etc/gettytab.
Add the following to /etc/gettytab:
then setup a port to use it and notice it doesn't work.
(Examination of the code suggests the port is getting set
to 300 baud.)