+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-09 17:18:40.167 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-09 17:18:40.389 1 INFO cinder.rpc [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-09 17:18:40.392 1 INFO cinder.rpc [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-09 17:18:40.395 1 INFO cinder.rpc [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-09 17:18:40.397 1 INFO cinder.rpc [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-09 17:18:40.400 1 INFO cinder.rpc [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-09 17:18:40.403 1 INFO cinder.rpc [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-09 17:18:40.446 1 WARNING oslo_config.cfg [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] 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. 2026-05-09 17:18:40.447 1 WARNING oslo_config.cfg [None req-8bda4b46-d900-49a9-8d69-7bbfa5b448a3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-09 17:18:40.458 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-09 17:18:40.475 1 INFO cinder.backup.manager [None req-c0e467dd-d1ee-48c8-9abc-ed759aa6a8da - - - - - -] Cleaning up incomplete backup operations. 2026-05-09 17:18:40.585 1 INFO cinder.keymgr.migration [None req-ad3d3dc5-e6b2-42e2-81fb-3d70bef90042 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.