This is happening because MAAS added the host{} entry for its MAC before the lease expired. The 30 second thing is clearly a hack and doesn't work properly because it's a race condition with MAAS lease scanner.
The only real solution is to SRU the ignore-client-ids fix. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1069570 Title: 1 MAC Address, two IPs - DNS is "out of sync" with DHCP leases databases To manage notifications about this bug go to: https://bugs.launchpad.net/juju-core/+bug/1069570/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs