+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-11 08:42:38.204 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-11 08:42:38.477 1 INFO cinder.rpc [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-11 08:42:38.479 1 INFO cinder.rpc [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-11 08:42:38.481 1 INFO cinder.rpc [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-11 08:42:38.483 1 INFO cinder.rpc [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-11 08:42:38.486 1 INFO cinder.rpc [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-11 08:42:38.488 1 INFO cinder.rpc [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-11 08:42:38.556 1 WARNING oslo_config.cfg [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] 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.
2026-08-11 08:42:38.557 1 WARNING oslo_config.cfg [None req-0a2ee4ce-4d50-4212-8a67-40d93879aced - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-11 08:42:38.567 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-11 08:42:38.593 1 INFO cinder.backup.manager [None req-d7bea402-8024-4d03-9d36-639d1387e365 - - - - - -] Cleaning up incomplete backup operations.
2026-08-11 08:42:38.653 1 INFO cinder.keymgr.migration [None req-56d55db1-a328-461f-896e-c0b15f864e83 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.