+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-28 22:51:20.067 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-28 22:51:20.348 1 INFO cinder.rpc [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-28 22:51:20.351 1 INFO cinder.rpc [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-28 22:51:20.353 1 INFO cinder.rpc [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-28 22:51:20.355 1 INFO cinder.rpc [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-28 22:51:20.358 1 INFO cinder.rpc [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-28 22:51:20.361 1 INFO cinder.rpc [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-28 22:51:20.420 1 WARNING oslo_config.cfg [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] 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 22:51:20.421 1 WARNING oslo_config.cfg [None req-95c0341b-9c6c-4673-9ef7-cadaf7f1d271 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-28 22:51:20.430 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-04-28 22:51:20.454 1 INFO cinder.backup.manager [None req-7a359212-a4a1-455d-b9b2-c2742c570156 - - - - - -] Cleaning up incomplete backup operations. 2026-04-28 22:51:20.508 1 INFO cinder.keymgr.migration [None req-9bda785c-fc35-4a14-b930-6826a6b2ff1b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.