Comment 5 for bug 1573275

This is no longer a problem on the Open Build Service, as we're now ignoring the ifupdown dependency from upstart. Thus, Ubuntu 16.04 LTS build environments now work, as seen by this example[1].

[1]: https://build.opensuse.org/package/live_build_log/home:Pharaoh_Atem:u1604_stuff/php-libvirt/xUbuntu_16.04/x86_64