+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-06 14:33:43.264 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-06 14:33:43.545 1 INFO cinder.rpc [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-06 14:33:43.548 1 INFO cinder.rpc [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-06 14:33:43.550 1 INFO cinder.rpc [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-06 14:33:43.553 1 INFO cinder.rpc [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-06 14:33:43.555 1 INFO cinder.rpc [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-06 14:33:43.557 1 INFO cinder.rpc [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-06 14:33:43.631 1 WARNING oslo_config.cfg [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] 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.
2026-09-06 14:33:43.632 1 WARNING oslo_config.cfg [None req-4399050c-a383-4735-b48b-0858f675e59b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-06 14:33:43.642 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-06 14:33:43.667 1 INFO cinder.backup.manager [None req-4d38e4ce-7fa1-4428-8a13-a772f1d1b994 - - - - - -] Cleaning up incomplete backup operations.
2026-09-06 14:33:43.711 1 INFO cinder.keymgr.migration [None req-8f36a25d-ff1d-4e80-a276-5aaa6dabf1eb - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.