Setup: -11.2-RELEASE-p4 amd64 -ezjail-deployed jail bound to a dedicated FIB and VLAN (IPv4 only) -Upon execution of qbittorrent-nox inside jail, the following error is displayed: /usr/local/lib/qt5/plugins/bearer/libqgenericbearer.so: Undefined symbol "_ZN17QNetworkInterfaceC1ERKS_@Qt_5" Looks to be similar to bug #231402 Steps taken to attempt mitigation: -Upgrade all packages. -Build qbittorrent via poudriere (I think I messed up this test and built it with X11 support). -Removed all packages from jail and reinstalled qbittorrent via PKG and its dependencies. VLAN tests: -Tested in a non-jailed host (11.2 in VirtualBox) and software executed successfully. -Created a single vlan, software fails with same error. -Destroyed vlan, software executes successfully.
Looks the same as bug#231402
Basically any Qt5 networking application (e.g. quassel, falkon, ...) will crash when vlans are enabled. This includes applications that are already running, when you create a vlan. This PR should probably be closed as a dump of the other one, even though they're not reported against the same software: the underlying problem is the same.
*** This bug has been marked as a duplicate of bug 231402 ***