+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-09 13:24:37.678 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-09 13:24:37.946 1 INFO cinder.rpc [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-09 13:24:37.949 1 INFO cinder.rpc [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-09 13:24:37.951 1 INFO cinder.rpc [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-09 13:24:37.953 1 INFO cinder.rpc [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-09 13:24:37.955 1 INFO cinder.rpc [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-09 13:24:37.958 1 INFO cinder.rpc [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-09 13:24:38.014 1 WARNING oslo_config.cfg [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] 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. 2026-05-09 13:24:38.014 1 WARNING oslo_config.cfg [None req-3bc63132-1528-4953-bb4e-2710b024ab48 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-09 13:24:38.023 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-09 13:24:38.046 1 INFO cinder.backup.manager [None req-09b36a93-ce7a-4ba5-8ca4-8f989e56ae2c - - - - - -] Cleaning up incomplete backup operations. 2026-05-09 13:24:38.103 1 INFO cinder.keymgr.migration [None req-31600d8a-f24e-46cb-a2ae-c310b937dbe5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.