+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-06 21:41:55.974 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-06 21:41:56.249 1 INFO cinder.rpc [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-06 21:41:56.252 1 INFO cinder.rpc [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-03-06 21:41:56.255 1 INFO cinder.rpc [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-06 21:41:56.258 1 INFO cinder.rpc [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-03-06 21:41:56.261 1 INFO cinder.rpc [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-06 21:41:56.263 1 INFO cinder.rpc [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-06 21:41:56.328 1 WARNING oslo_config.cfg [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] 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.
2026-03-06 21:41:56.329 1 WARNING oslo_config.cfg [None req-fddb9364-688f-4cb1-a36c-a9fb84282510 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-06 21:41:56.339 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-03-06 21:41:56.363 1 INFO cinder.backup.manager [None req-b243fc8e-20fe-4f41-9583-d3f15abd6333 - - - - - -] Cleaning up incomplete backup operations.
2026-03-06 21:41:56.427 1 INFO cinder.keymgr.migration [None req-ac883319-7bb5-4839-94ba-9bf77dff25b4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.