+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-08 03:21:08.695 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-08 03:21:08.992 1 INFO cinder.rpc [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-08 03:21:08.995 1 INFO cinder.rpc [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-08 03:21:08.997 1 INFO cinder.rpc [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-08 03:21:09.000 1 INFO cinder.rpc [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-08 03:21:09.003 1 INFO cinder.rpc [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-08 03:21:09.007 1 INFO cinder.rpc [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-08 03:21:09.078 1 WARNING oslo_config.cfg [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] 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. 2026-05-08 03:21:09.079 1 WARNING oslo_config.cfg [None req-26745831-1a43-4b27-b5c1-ecdefa164962 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-08 03:21:09.092 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-08 03:21:09.117 1 INFO cinder.backup.manager [None req-8b4dd67e-e0cb-43ee-916d-de6cce43495c - - - - - -] Cleaning up incomplete backup operations. 2026-05-08 03:21:09.177 1 INFO cinder.keymgr.migration [None req-7872667d-8a41-4325-8b9a-d1c57c121f26 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.