+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-08 17:51:06.975 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-08 17:51:07.276 1 INFO cinder.rpc [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-08 17:51:07.280 1 INFO cinder.rpc [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-08 17:51:07.282 1 INFO cinder.rpc [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-08 17:51:07.286 1 INFO cinder.rpc [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-08 17:51:07.291 1 INFO cinder.rpc [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-08 17:51:07.297 1 INFO cinder.rpc [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-08 17:51:07.392 1 WARNING oslo_config.cfg [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] 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. 2026-06-08 17:51:07.393 1 WARNING oslo_config.cfg [None req-b9034870-b776-402a-9d6a-8a8425226915 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-08 17:51:07.403 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-08 17:51:07.432 1 INFO cinder.backup.manager [None req-25a99451-5a9c-4826-aba0-363e89564c3d - - - - - -] Cleaning up incomplete backup operations. 2026-06-08 17:51:07.485 1 INFO cinder.keymgr.migration [None req-1f013941-469b-4b11-bccd-f88623b2af50 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.