private int linkSpeed; // In units of 1 Mbps
    private byte[] sockaddrStorage;
    private InetAddress address;
    private boolean ipv6;
    private boolean rssCapable; // Receive Side Scaling
    private boolean rdmaCapable;

    /**
     * Create network interface info
     *
     * @param address interface address
     * @param linkSpeed link speed in Mbps
     */

        if (total == 0)
            return 0.0;
        return (double) errors.get() / total;
    }

    /**
     * Get throughput in bytes per second
     *
     * @return throughput in bps
     */
    public long getThroughput() {
        long duration = System.currentTimeMillis() - establishedTime;
        if (duration == 0)
            return 0;

    server.enqueue(
      MockResponse()
        .setBody(Buffer().write(ByteArray(responseBodySize)))
        .throttleBody((64 * 1024).toLong(), 125, TimeUnit.MILLISECONDS),
    ) // 500 Kbps
    server.start()
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    val response = call.execute()