This might be related to bug 1823295 - I'm thinking that maybe the 3x restart of the underlying ovs daemons on package upgrade just causes confusion and dismay.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722946 Title: openvswitch flows not always restored after openvswitch-switch upgrade with l2population enabled To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1722946/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs