So the problem here is with the udev hook which is meant to create all the vlans when the parent interface shows up. It seems to be slightly over-enthusiastic and will try to bring up all VLANs every time any interface changes.
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to vlan in Ubuntu. https://bugs.launchpad.net/bugs/1295371 Title: ifup activates wrong interfaces To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vlan/+bug/1295371/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs