+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-05 05:07:18.175 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-05 05:07:18.495 1 INFO cinder.rpc [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-05 05:07:18.499 1 INFO cinder.rpc [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-05 05:07:18.501 1 INFO cinder.rpc [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-05 05:07:18.504 1 INFO cinder.rpc [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-05 05:07:18.509 1 INFO cinder.rpc [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-05 05:07:18.513 1 INFO cinder.rpc [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-05 05:07:18.596 1 WARNING oslo_config.cfg [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] 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. 2026-06-05 05:07:18.598 1 WARNING oslo_config.cfg [None req-83e94d7f-f499-4d13-aa30-ccc4086b015b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-05 05:07:18.610 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-06-05 05:07:18.639 1 INFO cinder.backup.manager [None req-3ff267c3-22bb-4fe2-9000-fc247edba0cb - - - - - -] Cleaning up incomplete backup operations. 2026-06-05 05:07:18.716 1 INFO cinder.keymgr.migration [None req-da389b7c-0e20-48d2-8263-fabdc14e16e0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.