+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-27 16:35:41.781 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-27 16:35:42.062 1 INFO cinder.rpc [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-27 16:35:42.065 1 INFO cinder.rpc [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-27 16:35:42.067 1 INFO cinder.rpc [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-27 16:35:42.070 1 INFO cinder.rpc [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-27 16:35:42.073 1 INFO cinder.rpc [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-27 16:35:42.076 1 INFO cinder.rpc [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-27 16:35:42.137 1 WARNING oslo_config.cfg [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] 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.
2026-04-27 16:35:42.138 1 WARNING oslo_config.cfg [None req-798e99de-8b96-4999-9d82-47cb26f63784 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-27 16:35:42.148 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-27 16:35:42.172 1 INFO cinder.backup.manager [None req-6482b0af-c611-46ee-9a24-6587e7b3a332 - - - - - -] Cleaning up incomplete backup operations.
2026-04-27 16:35:42.222 1 INFO cinder.keymgr.migration [None req-a620605f-fa62-41fe-8cd3-5494a3bc533b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.