+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-04 21:45:18.288 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-04 21:45:18.585 1 INFO cinder.rpc [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-04 21:45:18.588 1 INFO cinder.rpc [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-04 21:45:18.590 1 INFO cinder.rpc [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-04 21:45:18.592 1 INFO cinder.rpc [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-04 21:45:18.594 1 INFO cinder.rpc [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-04 21:45:18.596 1 INFO cinder.rpc [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-04 21:45:18.660 1 WARNING oslo_config.cfg [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] 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. 2026-05-04 21:45:18.661 1 WARNING oslo_config.cfg [None req-d710c02f-e8a1-4061-ab87-f157731e2906 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-04 21:45:18.670 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-04 21:45:18.697 1 INFO cinder.backup.manager [None req-fb8839d0-f904-43f5-856c-fcc0c3d41f60 - - - - - -] Cleaning up incomplete backup operations. 2026-05-04 21:45:18.767 1 INFO cinder.keymgr.migration [None req-d38561c9-f138-4126-b4cc-cc5593def0cc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.