Warning  FailedMount  15s  kubelet, ctl03  MountVolume.WaitForAttach failed for volume "pvc-4aa9adea-ae85-11e8-8ab8-ac1f6b1e4092" : fail to check rbd image status with: (exit status 22), rbd output: (2018-09-19 14:45:35.457932 7f1edc728100 -1 did not load config file, using default settings.
server name not found: ceph-mon.ceph.svc.cluster.local (Name or service not known)
unable to parse addrs in 'ceph-mon.ceph.svc.cluster.local:6789'
rbd: couldn't connect to the cluster!