+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-15 08:01:48.468 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-15 08:01:48.742 1 INFO cinder.rpc [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-15 08:01:48.745 1 INFO cinder.rpc [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-15 08:01:48.747 1 INFO cinder.rpc [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-15 08:01:48.750 1 INFO cinder.rpc [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-15 08:01:48.753 1 INFO cinder.rpc [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-15 08:01:48.756 1 INFO cinder.rpc [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-15 08:01:48.824 1 WARNING oslo_config.cfg [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] 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. 2026-04-15 08:01:48.826 1 WARNING oslo_config.cfg [None req-0a4baae5-c585-457a-99d9-ee9191f753eb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-15 08:01:48.835 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-15 08:01:48.859 1 INFO cinder.backup.manager [None req-07d2bdd1-48c7-44a3-b997-08b69bc0ab25 - - - - - -] Cleaning up incomplete backup operations. 2026-04-15 08:01:48.922 1 INFO cinder.keymgr.migration [None req-e7d5dbf9-b9b6-4477-833b-099a6884b4c1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.