+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-27 23:36:16.490 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-27 23:36:16.768 1 INFO cinder.rpc [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-27 23:36:16.771 1 INFO cinder.rpc [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-27 23:36:16.773 1 INFO cinder.rpc [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-27 23:36:16.776 1 INFO cinder.rpc [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-27 23:36:16.779 1 INFO cinder.rpc [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-27 23:36:16.787 1 INFO cinder.rpc [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-27 23:36:16.861 1 WARNING oslo_config.cfg [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] 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. 2026-05-27 23:36:16.863 1 WARNING oslo_config.cfg [None req-ff576e0f-903c-4436-b040-f23ea1332df7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-27 23:36:16.872 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-27 23:36:16.899 1 INFO cinder.backup.manager [None req-cb99e59e-5768-4a79-ad80-4341d7509c8c - - - - - -] Cleaning up incomplete backup operations. 2026-05-27 23:36:16.942 1 INFO cinder.keymgr.migration [None req-cd9c0af2-c975-48da-a972-02f27012cdff - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.