dart remoteAddress bug on Windows

client.dart

import "dart:io";
import 'dart:convert' show UTF8;

// client, pass the url as parameter:
// dart client.dart http://localhost:8192
void main(List<String> args) {
  HttpClient client = new HttpClient();
  client.getUrl(
      Uri.parse(args[0])).then((HttpClientRequest request) {
    return request.close();
  }).then((HttpClientResponse response) {
    // Process the response.
    response.transform(UTF8.decoder).listen((contents) {
      print(contents.toString());
    }, onDone: () => client.close());
  });
}

server.dart

import 'dart:io';

void main() {
  HttpServer.bind(InternetAddress.ANY_IP_V6, 8192).then((server) {
    server.listen((HttpRequest request) {
      String client_host = request.connectionInfo.remoteAddress.host;
      String client_addr = request.connectionInfo.remoteAddress.address;
      request.response.write("hello you are: $client_host at $client_addr");
      print("http connection from: $client_host at $client_addr");
      request.response.close();
    });
  });
}