+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-22 22:34:25.540 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-22 22:34:25.762 1 INFO cinder.rpc [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-22 22:34:25.765 1 INFO cinder.rpc [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-22 22:34:25.768 1 INFO cinder.rpc [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-22 22:34:25.772 1 INFO cinder.rpc [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-22 22:34:25.775 1 INFO cinder.rpc [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-22 22:34:25.779 1 INFO cinder.rpc [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-22 22:34:25.829 1 WARNING oslo_config.cfg [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] 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.
2026-07-22 22:34:25.831 1 WARNING oslo_config.cfg [None req-5c266adb-bf7b-4b93-a206-6cb694ba9160 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-22 22:34:25.843 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-22 22:34:25.861 1 INFO cinder.backup.manager [None req-bb593296-1575-4611-85a8-8e2aafebe6c8 - - - - - -] Cleaning up incomplete backup operations.
2026-07-22 22:34:25.986 1 INFO cinder.keymgr.migration [None req-c079161c-a339-4b8a-bdce-e0de54e2b583 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.