+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-07 19:42:01.522 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-07 19:42:01.797 1 INFO cinder.rpc [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-07 19:42:01.799 1 INFO cinder.rpc [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-07 19:42:01.801 1 INFO cinder.rpc [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-07 19:42:01.804 1 INFO cinder.rpc [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-07 19:42:01.807 1 INFO cinder.rpc [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-07 19:42:01.810 1 INFO cinder.rpc [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-07 19:42:01.872 1 WARNING oslo_config.cfg [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] 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. 2026-05-07 19:42:01.873 1 WARNING oslo_config.cfg [None req-1a1f1e4d-5664-4c78-95a7-833453db0f51 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-07 19:42:01.882 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-07 19:42:01.906 1 INFO cinder.backup.manager [None req-c36f260c-5735-49a5-b461-8d31780da193 - - - - - -] Cleaning up incomplete backup operations. 2026-05-07 19:42:01.965 1 INFO cinder.keymgr.migration [None req-02328f2a-5c39-4b3f-be11-32931e11437c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.