[root@controller1 ~]# rbd -p images ls -l
rbd: error opening 0f0ab410-a5d1-43f4-95f8-406cb8c2bb89: (95) Operation not supported
2013-05-06 17:06:28.523730 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening 167321c4-c319-4bc2-9903-d9b6a7e054ee: (95) Operation not supported
2013-05-06 17:06:28.527802 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening 25b98300-7b52-4934-827b-1ef04736d34e: (95) Operation not supported
2013-05-06 17:06:28.531890 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening 4d5f836f-39a4-4f4d-a899-3309a0964a5c: (95) Operation not supported
2013-05-06 17:06:28.535995 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening 95b3c830-04a4-469c-8240-c644baad809a: (95) Operation not supported
2013-05-06 17:06:28.539775 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening c25239f8-f62a-4d4d-bf00-1d8bacc328f4: (95) Operation not supported
2013-05-06 17:06:28.544009 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening testi2: (95) Operation not supported
2013-05-06 17:06:28.547974 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported
rbd: error opening ugtest: (95) Operation not supported
NAME SIZE PARENT FMT PROT LOCK
2013-05-06 17:06:28.552035 7f0754692760 -1 librbd: Error listing snapshots: (95) Operation not supported