+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 16:50:04.472 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 16:50:04.770 1 INFO cinder.rpc [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 16:50:04.772 1 INFO cinder.rpc [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 16:50:04.774 1 INFO cinder.rpc [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 16:50:04.777 1 INFO cinder.rpc [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 16:50:04.780 1 INFO cinder.rpc [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 16:50:04.783 1 INFO cinder.rpc [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 16:50:04.857 1 WARNING oslo_config.cfg [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] 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. 2026-04-23 16:50:04.859 1 WARNING oslo_config.cfg [None req-08679d9f-4945-443f-8876-a2f830f7b369 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 16:50:04.869 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 16:50:04.894 1 INFO cinder.backup.manager [None req-7c8ff663-5849-4998-9302-47b5eef813e8 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 16:50:04.957 1 INFO cinder.keymgr.migration [None req-30ff3659-34fc-471d-8599-18477d5fa0db - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.