Upon upgrade to 2.1a1 I see repeated errors like this in the logs (every two seconds by the looks of it):
Aug 27 17:06:01 maas maas.rpc.rackcontrollers: [INFO] Registering existing rack controller 'maas'.
Upon upgrade to 2.1a1 I see repeated errors like this in the logs (every two seconds by the looks of it):
Aug 27 17:06:01 maas maas.rpc. rackcontrollers : [INFO] Registering existing rack controller 'maas'.