+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-28 03:47:58.174 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-28 03:47:58.467 1 INFO cinder.rpc [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-28 03:47:58.470 1 INFO cinder.rpc [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-28 03:47:58.472 1 INFO cinder.rpc [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-28 03:47:58.474 1 INFO cinder.rpc [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-28 03:47:58.477 1 INFO cinder.rpc [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-28 03:47:58.479 1 INFO cinder.rpc [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-28 03:47:58.548 1 WARNING oslo_config.cfg [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] 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.
2026-04-28 03:47:58.549 1 WARNING oslo_config.cfg [None req-258fe959-83d2-47d3-9378-56c7ed29aecd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-28 03:47:58.558 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-28 03:47:58.586 1 INFO cinder.backup.manager [None req-1c5cf776-4698-4c0e-8016-cd34e1a36613 - - - - - -] Cleaning up incomplete backup operations.
2026-04-28 03:47:58.643 1 INFO cinder.keymgr.migration [None req-e82433e2-5696-487a-bf24-a846442f15e0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.