Sep 11 16:05:12 os-kolla2 kubelet[13699]: I0911 16:05:12.003789   13699 rbd_util.go:141] lock list output "2017-09-11 16:05:11.993992 7ff6bc746100 -1 auth: unable to find a keyring on /etc/ceph/ceph.client.admin.keyring,/etc/ceph/ceph.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin: (2) No such file or directory\nrbd: error opening image kubernetes-dynamic-pvc-abec37b1-96f0-11e7-9a84-eaefa13f471a: (2) No such file or directory\n"