Anecdotal evidence[1] suggests that this is a problem with the driver in the guest. It would be interesting to learn when this problem appeared and if it's gone with Quantal guests.
[1]: http://lists.openstack.org/pipermail/openstack- operators/2012-August/001921.html -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to bridge-utils in Ubuntu. https://bugs.launchpad.net/bugs/997978 Title: KVM images lose connectivity with bridged network To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/997978/+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