Package: libvirt Version: 1.1.4-2~bpo70+1 When installing libvirt from wheezy-backports, it is impossible to install python-libvirt as well. python-libvirt depends on libvirt0 = 1.1.4-2~bpo70+1 (libvirt0 from wheezy). Could this be fixed to libvirt0 >= 1.1.4-2..?