+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-15 08:36:55.439 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-15 08:36:55.716 1 INFO cinder.rpc [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-15 08:36:55.719 1 INFO cinder.rpc [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-15 08:36:55.721 1 INFO cinder.rpc [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-15 08:36:55.724 1 INFO cinder.rpc [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-15 08:36:55.727 1 INFO cinder.rpc [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-15 08:36:55.729 1 INFO cinder.rpc [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-15 08:36:55.801 1 WARNING oslo_config.cfg [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] 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. 2026-05-15 08:36:55.802 1 WARNING oslo_config.cfg [None req-b6f4c269-96f0-4570-a479-8869e1575997 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-15 08:36:55.812 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-15 08:36:55.836 1 INFO cinder.backup.manager [None req-5eb86d57-95be-447f-85f4-d311e32f6572 - - - - - -] Cleaning up incomplete backup operations. 2026-05-15 08:36:55.892 1 INFO cinder.keymgr.migration [None req-f83ce852-eca3-4187-81ce-d3141cb462bc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.