SocketConnectTest.cs

using System;
using System.Diagnostics.Tracing;
using System.Linq;
using System.Net.Sockets;
using System.Threading.Tasks;

namespace RuntimeTesting
{
    class Program
    {
        static async Task Main()
        {
            using var listener = new Listener();

            using var socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
            await socket.ConnectAsync("foo.test", 443);
        }

        public class Listener : EventListener
        {
            protected override void OnEventSourceCreated(EventSource eventSource)
            {
                if (eventSource.Name == "System.Net.Sockets")
                {
                    EnableEvents(eventSource, EventLevel.Informational);
                }
            }

            protected override void OnEventWritten(EventWrittenEventArgs eventData)
            {
                Console.WriteLine($"{eventData.EventName}: {eventData.Payload.FirstOrDefault()}");
            }
        }
    }
}