In your paste you only show qemu versions. To be sure, were you also using the proposed libvirt version (https://launchpad.net/ubuntu/+source/qemu/2.0.0+dfsg-2ubuntu1.12 ) ?
In your paste you only show qemu versions. To be sure, were you also using the proposed libvirt version (https:/ /launchpad. net/ubuntu/ +source/ qemu/2. 0.0+dfsg- 2ubuntu1. 12 ) ?