Comment 1 for bug 1342302

I think this is because lp:~maas-maintainers/maas/packaging.trusty is
missing r285 from lp:~maas-maintainers/maas/packaging:

  285 Gavin Panella 2014-06-27 [merge]
      [r=blake-rouse][bug=][author=allenap] Configure authbind to permit
      binding all IPv6 addresses on ports 68 and 69 too.