Method closeSocket

flow/Net2.actor.cpp:716–724

	  : id(nondeterministicRandom()->randomUniqueID()), socket(io_service, isV6 ? udp::v6() : udp::v4()) {}

	void closeSocket() {
		boost::system::error_code error;
		socket.close(error);
		if (error)
			TraceEvent(SevWarn, "N2_CloseError", id)
			    .suppressFor(1.0)
			    .detail("ErrorCode", error.value())
			    .detail("Message", error.message());
	}

	void onReadError(const boost::system::error_code& error) {
		TraceEvent(SevWarn, "N2_UDPReadError", id)