+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-04 19:20:23.377 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-04 19:20:23.650 1 INFO cinder.rpc [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-04 19:20:23.653 1 INFO cinder.rpc [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-04 19:20:23.655 1 INFO cinder.rpc [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-04 19:20:23.657 1 INFO cinder.rpc [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-04 19:20:23.659 1 INFO cinder.rpc [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-04 19:20:23.661 1 INFO cinder.rpc [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-04 19:20:23.724 1 WARNING oslo_config.cfg [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] 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. 2026-05-04 19:20:23.725 1 WARNING oslo_config.cfg [None req-cc34fb24-bd41-448c-a32a-d7603283384c - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-04 19:20:23.735 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-04 19:20:23.758 1 INFO cinder.backup.manager [None req-4b1642be-6241-426e-b5b5-c521efd3126f - - - - - -] Cleaning up incomplete backup operations. 2026-05-04 19:20:23.829 1 INFO cinder.keymgr.migration [None req-3b24ced3-b206-4b98-8fc2-825176bff8f2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.