+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-04 18:32:48.243 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-04 18:32:48.524 1 INFO cinder.rpc [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-04 18:32:48.527 1 INFO cinder.rpc [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-04 18:32:48.529 1 INFO cinder.rpc [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-04 18:32:48.531 1 INFO cinder.rpc [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-04 18:32:48.533 1 INFO cinder.rpc [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-04 18:32:48.536 1 INFO cinder.rpc [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-04 18:32:48.590 1 WARNING oslo_config.cfg [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] 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 18:32:48.591 1 WARNING oslo_config.cfg [None req-51295620-105d-44de-8540-d7f01eed44a4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-04 18:32:48.599 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-04 18:32:48.623 1 INFO cinder.backup.manager [None req-a3e84d66-74be-47a7-88dc-1084f5e6b165 - - - - - -] Cleaning up incomplete backup operations. 2026-05-04 18:32:48.674 1 INFO cinder.keymgr.migration [None req-a67ca22a-51b4-4017-8e39-360b573d0c4a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.