Comment 4 for bug 1389239

Package: libvirt-bin
Architecture: any
Depends: ${shlibs:Depends}, ${misc:Depends},
 adduser,
 bridge-utils,
 cgroup-lite | cgroup-bin,
 dnsmasq-base (>= 2.46-1),
 dbus,
 gettext-base,
 iptables (>= 1.4.10),
 libvirt0 (= ${binary:Version}),
 logrotate,
 netcat-openbsd
Enhances: qemu, qemu-kvm, xen
Section: admin
Recommends:
 libxml2-utils,
 gawk,
 ebtables,
 dmidecode,
 iproute,
 parted,
 pm-utils
Suggests: policykit-1 (>= 0.105-3ubuntu3), apparmor, qemu-kvm | qemu (>= 0.9.1), radvd
Breaks: xen-utils-4.1, xen-utils-4.3
Conflicts: apparmor (<< 2.8.95~2430-0ubuntu4) <<< This should explain it