+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-08 10:47:48.287 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-08 10:47:48.534 1 INFO cinder.rpc [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-08 10:47:48.537 1 INFO cinder.rpc [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-08 10:47:48.539 1 INFO cinder.rpc [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-08 10:47:48.542 1 INFO cinder.rpc [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-08 10:47:48.545 1 INFO cinder.rpc [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-08 10:47:48.549 1 INFO cinder.rpc [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-08 10:47:48.603 1 WARNING oslo_config.cfg [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] 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. 2026-05-08 10:47:48.604 1 WARNING oslo_config.cfg [None req-af77e0c0-9cb7-47a2-b401-c090874481d1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-08 10:47:48.615 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-08 10:47:48.633 1 INFO cinder.backup.manager [None req-b4d4eb13-36f1-44a3-904d-60ef3f8f9171 - - - - - -] Cleaning up incomplete backup operations. 2026-05-08 10:47:48.782 1 INFO cinder.keymgr.migration [None req-04aea5b4-e59a-4c44-824a-6b8ae382d871 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.