To clarify what's happening with the rabbitmq charm: for its units to be able cluster together, they need to refer to each other by hostname, see [0] which was done based on the observed pattern as per #4,#7 comments above.
[0] https://code.launchpad.net/~jjo/charms/trusty/rabbitmq-server/fix- nodename-to-host-dns-PTR -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1382190 Title: LXCs assigned IPs by MAAS DHCP lack DNS PTR entries To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1382190/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs