+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-28 17:20:04.612 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-28 17:20:04.895 1 INFO cinder.rpc [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-28 17:20:04.899 1 INFO cinder.rpc [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-28 17:20:04.902 1 INFO cinder.rpc [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-28 17:20:04.905 1 INFO cinder.rpc [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-28 17:20:04.908 1 INFO cinder.rpc [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-28 17:20:04.912 1 INFO cinder.rpc [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-28 17:20:05.013 1 WARNING oslo_config.cfg [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] 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.
2026-04-28 17:20:05.015 1 WARNING oslo_config.cfg [None req-bf38a1fd-2dd3-4fa8-a502-c8e76f44adc5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-28 17:20:05.025 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-28 17:20:05.051 1 INFO cinder.backup.manager [None req-b985b759-e721-4f43-946a-21a898bbdd02 - - - - - -] Cleaning up incomplete backup operations.
2026-04-28 17:20:05.113 1 INFO cinder.keymgr.migration [None req-9cac0abe-fc4d-4527-b738-61703e1e27c9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.