It looks like this is addressed by the following series of patches (at least #5). At least parts of those were deemed worthy to go to stable. But I believe it has not happened, yet.
http://lists.xen.org/archives/html/xen-devel/2013-03/msg02047.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1162924 Title: bug disabling Xen guest interface To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1162924/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs