+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-24 21:12:35.446 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-24 21:12:35.722 1 INFO cinder.rpc [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-24 21:12:35.725 1 INFO cinder.rpc [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-24 21:12:35.727 1 INFO cinder.rpc [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-24 21:12:35.729 1 INFO cinder.rpc [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-24 21:12:35.732 1 INFO cinder.rpc [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-24 21:12:35.735 1 INFO cinder.rpc [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-24 21:12:35.821 1 WARNING oslo_config.cfg [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] 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.
2026-08-24 21:12:35.822 1 WARNING oslo_config.cfg [None req-a2b073eb-3c21-4bb6-b44c-ef20441be9dc - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-24 21:12:35.830 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-24 21:12:35.853 1 INFO cinder.backup.manager [None req-4316b8d8-829e-4743-accb-70a77985e48c - - - - - -] Cleaning up incomplete backup operations.
2026-08-24 21:12:35.925 1 INFO cinder.keymgr.migration [None req-cf683e45-06ea-4f94-bd98-2be56a38800f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.