+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-27 21:26:14.639 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-27 21:26:14.932 1 INFO cinder.rpc [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-27 21:26:14.935 1 INFO cinder.rpc [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-27 21:26:14.937 1 INFO cinder.rpc [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-27 21:26:14.939 1 INFO cinder.rpc [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-27 21:26:14.942 1 INFO cinder.rpc [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-27 21:26:14.945 1 INFO cinder.rpc [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-27 21:26:15.027 1 WARNING oslo_config.cfg [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] 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. 2026-04-27 21:26:15.028 1 WARNING oslo_config.cfg [None req-b314aab7-7feb-49bb-a10c-2acb2b74ae3d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-27 21:26:15.038 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-04-27 21:26:15.062 1 INFO cinder.backup.manager [None req-ec62e55c-3edc-4e4e-955e-55e9a4ebf32a - - - - - -] Cleaning up incomplete backup operations. 2026-04-27 21:26:15.121 1 INFO cinder.keymgr.migration [None req-ba7ea7d0-0730-4463-8440-4944c32f7980 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.