+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-09 20:51:03.174 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-09 20:51:03.460 1 INFO cinder.rpc [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-09 20:51:03.463 1 INFO cinder.rpc [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-09 20:51:03.464 1 INFO cinder.rpc [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-09 20:51:03.466 1 INFO cinder.rpc [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-09 20:51:03.468 1 INFO cinder.rpc [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-09 20:51:03.471 1 INFO cinder.rpc [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-09 20:51:03.535 1 WARNING oslo_config.cfg [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] 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.
2026-09-09 20:51:03.536 1 WARNING oslo_config.cfg [None req-ec6522f5-c6fb-4e8d-9718-23e415273743 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-09 20:51:03.545 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-09 20:51:03.570 1 INFO cinder.backup.manager [None req-a72047e5-4388-4e1e-a48b-a5d1df5ace4e - - - - - -] Cleaning up incomplete backup operations.
2026-09-09 20:51:03.611 1 INFO cinder.keymgr.migration [None req-e27d6e92-28a7-4039-ab0c-bc679c010180 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.