It would appear that on trusty, the veth module gets loaded by something - looking as to what does this
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1364828 Title: neutron unable? to create veth devices on utopic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/neutron/+bug/1364828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs