+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-12 22:08:39.328 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-12 22:08:39.634 1 INFO cinder.rpc [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-12 22:08:39.636 1 INFO cinder.rpc [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-12 22:08:39.638 1 INFO cinder.rpc [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-12 22:08:39.641 1 INFO cinder.rpc [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-12 22:08:39.644 1 INFO cinder.rpc [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-12 22:08:39.646 1 INFO cinder.rpc [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-12 22:08:39.715 1 WARNING oslo_config.cfg [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] 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. 2026-03-12 22:08:39.716 1 WARNING oslo_config.cfg [None req-77e44e98-3f01-4673-9e2f-7f0d6d71dd90 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-12 22:08:39.724 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-12 22:08:39.749 1 INFO cinder.backup.manager [None req-fcb2783f-49dc-4f87-ab67-b0a938de9be7 - - - - - -] Cleaning up incomplete backup operations. 2026-03-12 22:08:39.811 1 INFO cinder.keymgr.migration [None req-3285aa71-c1d1-4569-82dd-df5ecd7d77fd - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.