+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-18 23:49:54.945 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-18 23:49:55.272 1 INFO cinder.rpc [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-18 23:49:55.275 1 INFO cinder.rpc [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-18 23:49:55.278 1 INFO cinder.rpc [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-18 23:49:55.280 1 INFO cinder.rpc [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-18 23:49:55.284 1 INFO cinder.rpc [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-18 23:49:55.287 1 INFO cinder.rpc [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-18 23:49:55.353 1 WARNING oslo_config.cfg [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] 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.
2026-08-18 23:49:55.354 1 WARNING oslo_config.cfg [None req-fc2375e8-776f-4c36-9573-374a11086652 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-18 23:49:55.368 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-18 23:49:55.398 1 INFO cinder.backup.manager [None req-9d8badf8-b1e0-4ef4-826a-6b4d54522793 - - - - - -] Cleaning up incomplete backup operations.
2026-08-18 23:49:55.452 1 INFO cinder.keymgr.migration [None req-9dc0c466-ac38-4fb3-83a5-89615707d188 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.