On a trusty install, I can't see anything in openstack loading the module; maybe the first call to use veth is doing something magic:
Sep 3 09:07:37 juju-jamespage-machine-11 sudo: neutron : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ip link add tap00742668-03 type veth peer name qg-00742668-03 netns qrouter-348230c6-0f09-43b2-9aed-641a95d4ed87 ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- 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/linux/+bug/1364828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs