+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-21 17:35:15.008 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-21 17:35:15.250 1 INFO cinder.rpc [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-21 17:35:15.253 1 INFO cinder.rpc [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-21 17:35:15.257 1 INFO cinder.rpc [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-21 17:35:15.260 1 INFO cinder.rpc [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-21 17:35:15.264 1 INFO cinder.rpc [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-21 17:35:15.268 1 INFO cinder.rpc [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-21 17:35:15.327 1 WARNING oslo_config.cfg [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] 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.
2026-04-21 17:35:15.328 1 WARNING oslo_config.cfg [None req-1db7ad12-4105-4711-a014-f3fe80c41826 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-21 17:35:15.342 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-21 17:35:15.361 1 INFO cinder.backup.manager [None req-ad3c3987-ec16-48d2-8f6f-2ec1fbb930c6 - - - - - -] Cleaning up incomplete backup operations.
2026-04-21 17:35:15.590 1 INFO cinder.keymgr.migration [None req-99169beb-9e7a-4c57-aa64-3365f5ee8d6f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.