+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 18:02:51.226 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 18:02:51.503 1 INFO cinder.rpc [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 18:02:51.505 1 INFO cinder.rpc [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-22 18:02:51.508 1 INFO cinder.rpc [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 18:02:51.510 1 INFO cinder.rpc [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-22 18:02:51.512 1 INFO cinder.rpc [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 18:02:51.515 1 INFO cinder.rpc [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 18:02:51.576 1 WARNING oslo_config.cfg [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] 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.
2026-08-22 18:02:51.577 1 WARNING oslo_config.cfg [None req-4f462e3f-480e-4955-964a-114342080294 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 18:02:51.585 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-22 18:02:51.612 1 INFO cinder.backup.manager [None req-31660a2c-b7bd-441b-98dd-10f9d8c54fd9 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 18:02:51.670 1 INFO cinder.keymgr.migration [None req-0a040cad-77c8-4770-b177-d4c6cb40ed21 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.