+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-24 14:00:24.812 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-24 14:00:25.128 1 INFO cinder.rpc [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-24 14:00:25.133 1 INFO cinder.rpc [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-24 14:00:25.141 1 INFO cinder.rpc [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-24 14:00:25.146 1 INFO cinder.rpc [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-24 14:00:25.149 1 INFO cinder.rpc [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-24 14:00:25.153 1 INFO cinder.rpc [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-24 14:00:25.248 1 WARNING oslo_config.cfg [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] 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. 2026-04-24 14:00:25.249 1 WARNING oslo_config.cfg [None req-b161cf64-4be3-4a9b-bf7c-907a7637d14f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-24 14:00:25.258 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-24 14:00:25.289 1 INFO cinder.backup.manager [None req-d72a5255-09d8-45a0-987f-4d5bbf345a71 - - - - - -] Cleaning up incomplete backup operations. 2026-04-24 14:00:25.352 1 INFO cinder.keymgr.migration [None req-36f942f1-3428-449b-9913-719a5b215ec8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.