using System;

using System.Net.NetworkInformation;

public class Program

{

    public static void Main()

    {

        foreach (NetworkInterface adapter in NetworkInterface.GetAllNetworkInterfaces())

        {

            try

            {

                var properties = adapter.GetIPProperties();

                var stats = adapter.GetIPv4Statistics();

​

                Console.WriteLine($"{adapter.Description} speed:{adapter.Speed} qlen:{stats.OutputQueueLength}");

            }

            catch (Exception e)

            {

                Console.WriteLine(e);

            }

        }

    }

}