Comment 3 for bug 1113821

Closing the lxc task as the lxc postinst doesn't suffer from this bug.

In lxc we have:
    remove)
        rm -f /etc/dnsmasq.d/lxc 2>/dev/null || true

        # Try to restart a potential system wide dnsmasq
        invoke-rc.d dnsmasq restart 2>/dev/null || true
    ;;

Whereas in libvirt we have:
    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
        rm -f /etc/dnsmasq.d/libvirt-bin 2>/dev/null || true

        # Try to restart a potential system wide dnsmasq
        invoke-rc.d dnsmasq restart 2>/dev/null || true
    ;;

Note that in libvirt's case, the file will be removed in all cases, whereas in lxc (and network-manager) we only do the removal on remove.