+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-03 03:56:51.432 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-03 03:56:51.714 1 INFO cinder.rpc [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-03 03:56:51.716 1 INFO cinder.rpc [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-03 03:56:51.718 1 INFO cinder.rpc [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-03 03:56:51.720 1 INFO cinder.rpc [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-03 03:56:51.723 1 INFO cinder.rpc [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-03 03:56:51.725 1 INFO cinder.rpc [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-03 03:56:51.801 1 WARNING oslo_config.cfg [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] 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.
2026-08-03 03:56:51.802 1 WARNING oslo_config.cfg [None req-465f549d-4021-4279-921d-3c7c0958c694 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-03 03:56:51.813 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-03 03:56:51.838 1 INFO cinder.backup.manager [None req-dd06c013-0c81-4ef6-bba1-0d9a94212635 - - - - - -] Cleaning up incomplete backup operations.
2026-08-03 03:56:51.900 1 INFO cinder.keymgr.migration [None req-b5641215-937b-42d8-807f-2af2c7470169 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.