2015-09-30 00:41:58 INFO juju.api apiclient.go:263 connection established to "wss://10.5.21.184:17070/environment/407dcaea-e322-42d0-8713-7cf5ef1aead0/api"
2015-09-30 00:41:58 INFO juju.utils.fslock fslock.go:146 attempted lock failed "env.lock", pid: 2959, operation: reading, currently held: pid: 4678, operation: writing
2015-09-30 00:41:59 WARNING juju.environs.configstore disk.go:452 configstore lock held, lock dir: /home/ubuntu/.juju/environments/env.lock
2015-09-30 00:41:59 WARNING juju.environs.configstore disk.go:453   lock holder message: pid: 4678, operation: writing
2015-09-30 00:41:59 ERROR juju.cmd supercommand.go:430 cannot read info: lock timeout exceeded