+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 11:15:51.824 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 11:15:52.048 1 INFO cinder.rpc [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 11:15:52.051 1 INFO cinder.rpc [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-07 11:15:52.053 1 INFO cinder.rpc [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 11:15:52.056 1 INFO cinder.rpc [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 11:15:52.058 1 INFO cinder.rpc [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 11:15:52.062 1 INFO cinder.rpc [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 11:15:52.111 1 WARNING oslo_config.cfg [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-09-07 11:15:52.111 1 WARNING oslo_config.cfg [None req-f12d7be7-a5e6-4369-b9ae-88116ad852e6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 11:15:52.121 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-07 11:15:52.139 1 INFO cinder.backup.manager [None req-db896720-42ac-4423-b585-6d69e112690e - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 11:15:52.285 1 INFO cinder.keymgr.migration [None req-0d6c4ef2-3ce0-4332-8102-bf76922b46a5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.