These may be related: https://bugzilla.redhat.com/show_bug.cgi?id=571991 " libvirt should not use the MAC address assigned to tap devices/vnet interfaces by the TAP/TUN driver."
https://www.redhat.com/archives/libvir-list/2010-July/msg00450.html "[libvirt] [PATCH] Set a stable & high MAC addr for guest TAP devices on host" ** Bug watch added: Red Hat Bugzilla #571991 https://bugzilla.redhat.com/show_bug.cgi?id=571991 -- kvm images losing connectivity w/bridged network https://bugs.launchpad.net/bugs/584048 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs