+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-27 03:04:31.448 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-27 03:04:31.800 1 INFO cinder.rpc [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-27 03:04:31.803 1 INFO cinder.rpc [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-27 03:04:31.812 1 INFO cinder.rpc [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-27 03:04:31.817 1 INFO cinder.rpc [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-27 03:04:31.829 1 INFO cinder.rpc [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-27 03:04:31.836 1 INFO cinder.rpc [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-27 03:04:32.027 1 WARNING oslo_config.cfg [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] 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 03:04:32.028 1 WARNING oslo_config.cfg [None req-6707fb3b-7e1f-4083-80b2-a70d78546473 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-27 03:04:32.038 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-27 03:04:32.064 1 INFO cinder.backup.manager [None req-9453cb56-5e5e-4a53-9ef2-74c0a56d5002 - - - - - -] Cleaning up incomplete backup operations. 2026-04-27 03:04:32.214 1 INFO cinder.keymgr.migration [None req-e7cc3401-af47-410f-bdeb-1bfd216121a0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.