+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-06 17:28:35.670 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-06 17:28:35.952 1 INFO cinder.rpc [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-06 17:28:35.955 1 INFO cinder.rpc [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-06 17:28:35.959 1 INFO cinder.rpc [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-06 17:28:35.962 1 INFO cinder.rpc [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-06 17:28:35.966 1 INFO cinder.rpc [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-06 17:28:35.969 1 INFO cinder.rpc [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-06 17:28:36.033 1 WARNING oslo_config.cfg [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] 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. 2026-06-06 17:28:36.034 1 WARNING oslo_config.cfg [None req-0de67c5f-da54-4d42-bc43-b47c5a43354f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-06 17:28:36.043 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-06-06 17:28:36.077 1 INFO cinder.backup.manager [None req-12598b02-4071-4151-859e-1d7bed0c924b - - - - - -] Cleaning up incomplete backup operations. 2026-06-06 17:28:36.147 1 INFO cinder.keymgr.migration [None req-ee36aaa2-08b7-42ee-981f-43758c2dfcf6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.