Here is the log when HW xApp receives policy creation message from A1:

{"ts":1591223704490,"crit":"INFO","id":"hw_xapp_main","mdc":{},"msg":"RMR Received Message of Type: 20010"}
{"ts":1591223704490,"crit":"INFO","id":"hw_xapp_main","mdc":{},"msg":"RMR Received Message: {\"operation\": \"CREATE\", \"policy_type_id\": 2, \"policy_instance_id\": \"hwpolicy321\", \"payload\": {\"threshold\": 5}}"}
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Xapp Name is: hwxapp
XaPP terminated via signal 6