Method onWriteError

flow/Net2.actor.cpp:733–739

		closeSocket();
	}
	void onWriteError(const boost::system::error_code& error) {
		TraceEvent(SevWarn, "N2_UDPWriteError", id)
		    .suppressFor(1.0)
		    .detail("ErrorCode", error.value())
		    .detail("Message", error.message());
		closeSocket();
	}

	void init() {
		socket.non_blocking(true);