+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 10:17:04.933 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 10:17:05.234 1 INFO cinder.rpc [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 10:17:05.237 1 INFO cinder.rpc [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 10:17:05.240 1 INFO cinder.rpc [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 10:17:05.242 1 INFO cinder.rpc [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 10:17:05.246 1 INFO cinder.rpc [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 10:17:05.249 1 INFO cinder.rpc [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 10:17:05.324 1 WARNING oslo_config.cfg [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] 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. 2026-04-23 10:17:05.325 1 WARNING oslo_config.cfg [None req-337f045d-68fc-4cdc-ab4e-323f040eab0a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 10:17:05.336 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 10:17:05.362 1 INFO cinder.backup.manager [None req-7de19086-d4c8-44e6-bbaf-fa391e5d1644 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 10:17:05.434 1 INFO cinder.keymgr.migration [None req-fceb063d-44b6-4ca1-bd6d-305a5d60f0cc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.