+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-22 04:17:06.101 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-22 04:17:06.339 1 INFO cinder.rpc [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-22 04:17:06.343 1 INFO cinder.rpc [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-22 04:17:06.347 1 INFO cinder.rpc [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-22 04:17:06.350 1 INFO cinder.rpc [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-22 04:17:06.353 1 INFO cinder.rpc [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-22 04:17:06.359 1 INFO cinder.rpc [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-22 04:17:06.422 1 WARNING oslo_config.cfg [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] 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.
2026-09-22 04:17:06.423 1 WARNING oslo_config.cfg [None req-afdb5227-8bda-4a36-8848-6a8b91a06250 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-22 04:17:06.433 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2)
2026-09-22 04:17:06.452 1 INFO cinder.backup.manager [None req-73554b86-30e4-4e22-9eeb-66739e49467f - - - - - -] Cleaning up incomplete backup operations.
2026-09-22 04:17:06.641 1 INFO cinder.keymgr.migration [None req-b1ef9425-5417-4550-94c2-e9b89c41e87c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.