Just verified that http://launchpad.net/ubuntu/+source/libvirt/1.2.2-0ubuntu13.1.4 fixes the original issue, i.e. running nova interface-attach works again after updating libvirt.
** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1322568 Title: nova interface-attach fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1322568/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs