+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-04 02:01:23.341 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-04 02:01:23.573 1 INFO cinder.rpc [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-04 02:01:23.576 1 INFO cinder.rpc [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-04 02:01:23.578 1 INFO cinder.rpc [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-04 02:01:23.581 1 INFO cinder.rpc [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-04 02:01:23.584 1 INFO cinder.rpc [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-04 02:01:23.588 1 INFO cinder.rpc [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-04 02:01:23.648 1 WARNING oslo_config.cfg [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] 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 02:01:23.649 1 WARNING oslo_config.cfg [None req-b19c002c-26d2-4543-a5ad-d4ee3b502305 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-04 02:01:23.661 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-04 02:01:23.679 1 INFO cinder.backup.manager [None req-ae64b5cd-e4f9-4da0-a86b-67c6042280c5 - - - - - -] Cleaning up incomplete backup operations. 2026-05-04 02:01:23.795 1 INFO cinder.keymgr.migration [None req-0e9abd5c-fd04-4f1d-bab3-89803b7c4e1b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.