+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-31 05:55:31.335 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-31 05:55:31.656 1 INFO cinder.rpc [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-31 05:55:31.662 1 INFO cinder.rpc [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-31 05:55:31.665 1 INFO cinder.rpc [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-31 05:55:31.668 1 INFO cinder.rpc [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-31 05:55:31.671 1 INFO cinder.rpc [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-31 05:55:31.674 1 INFO cinder.rpc [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-31 05:55:31.763 1 WARNING oslo_config.cfg [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] 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. 2026-03-31 05:55:31.764 1 WARNING oslo_config.cfg [None req-b8a1153f-108b-4fb7-a630-3e21f75c8442 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-31 05:55:31.774 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-03-31 05:55:31.807 1 INFO cinder.backup.manager [None req-3df335e6-d602-4ca0-96b1-459c7222a670 - - - - - -] Cleaning up incomplete backup operations. 2026-03-31 05:55:31.898 1 INFO cinder.keymgr.migration [None req-3f1217a6-f156-45ea-a0d0-0c8e652b7cc7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.