+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-27 21:27:36.930 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-27 21:27:37.225 1 INFO cinder.rpc [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-27 21:27:37.228 1 INFO cinder.rpc [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-27 21:27:37.231 1 INFO cinder.rpc [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-27 21:27:37.234 1 INFO cinder.rpc [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-27 21:27:37.237 1 INFO cinder.rpc [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-27 21:27:37.240 1 INFO cinder.rpc [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-27 21:27:37.309 1 WARNING oslo_config.cfg [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] 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 21:27:37.310 1 WARNING oslo_config.cfg [None req-797596ae-c0ab-4a26-80d7-71f91d0cd891 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-27 21:27:37.320 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-04-27 21:27:37.344 1 INFO cinder.backup.manager [None req-cb1ffcfd-211b-4893-86d5-c404cab9de0e - - - - - -] Cleaning up incomplete backup operations.
2026-04-27 21:27:37.408 1 INFO cinder.keymgr.migration [None req-83bc3c0d-fe94-4164-913a-660bce3931c2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.