it looks like a bug of qemu and (maybe) libvirt, please see https://bugzilla.redhat.com/show_bug.cgi?id=981094
it is not fixed in 1.6.0~rc0+dfsg-1exp -- Liang Guo http://bluestone.cublog.cn -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org