+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-15 08:36:12.127 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-15 08:36:12.396 1 INFO cinder.rpc [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-15 08:36:12.398 1 INFO cinder.rpc [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-15 08:36:12.400 1 INFO cinder.rpc [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-15 08:36:12.402 1 INFO cinder.rpc [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-15 08:36:12.405 1 INFO cinder.rpc [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-15 08:36:12.407 1 INFO cinder.rpc [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-15 08:36:12.465 1 WARNING oslo_config.cfg [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] 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. 2026-05-15 08:36:12.466 1 WARNING oslo_config.cfg [None req-d7920a8a-e70e-4af9-adb3-47f38406440d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-15 08:36:12.474 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-15 08:36:12.498 1 INFO cinder.backup.manager [None req-56a4d978-dc27-4e50-8b92-c9f700b84a5b - - - - - -] Cleaning up incomplete backup operations. 2026-05-15 08:36:12.551 1 INFO cinder.keymgr.migration [None req-ed3dccfa-377a-4a80-b69d-7cce78e4ebf2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.