[6.0][windows][mono] HttpRequestException : Unknown error 0xffffffff 127.0.0.1:RandomPort

### Error Blob

```json
{
  "ErrorMessage": "HttpRequestException : Unknown error (0xffffffff) (127.0.0.1:",
  "BuildRetry": false,
  "ErrorPattern": "",
  "ExcludeConsoleLog": false
}
```


### Reproduction Steps

- 6.0 PR: https://github.com/dotnet/runtime/pull/83742
- Queue: `Build windows x64 Release AllSubsets_Mono`
- Job: https://dev.azure.com/dnceng-public/public/_build/results?buildId=220445&view=logs&j=585f1246-0618-5d47-ff3e-08c83309e2d2&t=5e10daf8-cc46-5bd4-2ab7-d28eafd857b5

Affecting two tests:
- `System.Net.Http.Json.Functional.Tests` logs:
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-51cb133a6f4e4df68e/System.Net.Http.Json.Functional.Tests/1/console.02426858.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-51cb133a6f4e4df68e/System.Net.Http.Json.Functional.Tests/1/console.02426858.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-ce3c0230e4be48928a/System.Net.Http.Json.Functional.Tests/1/console.63c1b5dc.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-ce3c0230e4be48928a/System.Net.Http.Json.Functional.Tests/1/console.63c1b5dc.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-881df62a74ea404f8c/System.Net.Http.Json.Functional.Tests/1/console.700bb282.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-881df62a74ea404f8c/System.Net.Http.Json.Functional.Tests/1/console.700bb282.log?helixlogtype=result

<details><summary>Output (expand)</summary>

```
System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize(limit: 2, contentLength: 2, chunked: True) [FAIL]
      System.AggregateException : One or more errors occurred. (One or more errors occurred. (Unknown error (0xffffffff) (127.0.0.1:51221))) (One or more errors occurred. (This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.))
      ---- System.AggregateException : One or more errors occurred. (Unknown error (0xffffffff) (127.0.0.1:51221))
      -------- System.Net.Http.HttpRequestException : Unknown error (0xffffffff) (127.0.0.1:51221)
      ------------ System.Net.Sockets.SocketException : Unknown error (0xffffffff)
      ---- System.AggregateException : One or more errors occurred. (This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.)
      -------- System.PlatformNotSupportedException : This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.
      Stack Trace:
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(89,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(117,0): at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass15_0.<<CreateClientAndServerAsync>b__0>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(101,0): at System.Net.Test.Common.LoopbackServer.CreateServerAsync(Func`2 funcAsync, Options options)
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(271,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize(Int32 limit, Int32 contentLength, Boolean chunked)
        --- End of stack trace from previous location ---
        ----- Inner Stack Trace #1 (System.AggregateException) -----
        
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1439,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1352,0): at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1447,0): at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(462,0): at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/Common/src/System/Threading/Tasks/TaskCompletionSourceWithCancellation.cs(21,0): at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.<WaitWithCancellationAsync>d__1[[System.Net.Http.HttpConnection, System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]].MoveNext()
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(563,0): at System.Net.Http.HttpConnectionPool.GetHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1005,0): at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/RedirectHandler.cs(30,0): at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs(547,0): at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
        /_/src/libraries/System.Net.Http.Json/src/System/Net/Http/Json/HttpClientJsonExtensions.Get.cs(151,0): at System.Net.Http.Json.HttpClientJsonExtensions.<GetFromJsonAsyncCore>d__13`1[[System.String, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(284,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.<>c__DisplayClass10_0.<<GetFromJsonAsync_EnforcesMaxResponseContentBufferSize>b__0>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(72,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(1379,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.CreateException(SocketError error, Boolean forAsyncThrow)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(1118,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ConnectAsync(Socket socket)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(99,0): at System.Net.Sockets.Socket.ConnectAsync(EndPoint remoteEP, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1421,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<ConnectToTcpHostAsync>d__98](<ConnectToTcpHostAsync>d__98& stateMachine)
           at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1352,0): at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<ConnectAsync>d__97](<ConnectAsync>d__97& stateMachine)
           at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1447,0): at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<CreateHttp11ConnectionAsync>d__99](<CreateHttp11ConnectionAsync>d__99& stateMachine)
           at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(462,0): at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<AddHttp11ConnectionAsync>d__74](<AddHttp11ConnectionAsync>d__74& stateMachine)
           at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(504,0): at System.Net.Http.HttpConnectionPool.<>c__DisplayClass75_0.<CheckForHttp11ConnectionInjection>b__0()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs(503,0): at System.Threading.Tasks.Task`1[[System.Threading.Tasks.Task, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].InnerInvoke()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2375,0): at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs(268,0): at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2337,0): at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2271,0): at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2262,0): at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs(724,0): at System.Threading.ThreadPoolWorkQueue.Dispatch()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs(63,0): at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
        /_/src/mono/System.Private.CoreLib/src/System/Threading/Thread.Mono.cs(236,0): at System.Threading.Thread.StartCallback()
        --- End of stack trace from previous location ---
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1421,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        ----- Inner Stack Trace #2 (System.AggregateException) -----
        
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolBoundHandle.PlatformNotSupported.cs(24,0): at System.Threading.ThreadPoolBoundHandle.BindHandle(SafeHandle handle)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SafeSocketHandle.Windows.cs(75,0): at System.Net.Sockets.SafeSocketHandle.GetOrAllocateThreadPoolBoundHandle(Boolean trySkipCompletionPortOnSuccess)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Windows.cs(435,0): at System.Net.Sockets.Socket.GetOrAllocateThreadPoolBoundHandleSlow()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Windows.cs(426,0): at System.Net.Sockets.Socket.GetOrAllocateThreadPoolBoundHandle()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs(112,0): at System.Net.Sockets.SocketAsyncEventArgs.AllocateNativeOverlapped()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs(267,0): at System.Net.Sockets.SocketAsyncEventArgs.DoOperationAccept(Socket socket, SafeSocketHandle handle, SafeSocketHandle acceptHandle, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs(2686,0): at System.Net.Sockets.Socket.AcceptAsync(SocketAsyncEventArgs e, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(935,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.AcceptAsync(Socket socket, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(69,0): at System.Net.Sockets.Socket.AcceptAsync(Socket acceptSocket, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(32,0): at System.Net.Sockets.Socket.AcceptAsync()
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(153,0): at System.Net.Test.Common.LoopbackServer.EstablishConnectionAsync()
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(1072,0): at System.Net.Test.Common.LoopbackServer.HandleRequestAsync(HttpStatusCode statusCode, IList`1 headers, String content)
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(298,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.<>c__DisplayClass10_0.<<GetFromJsonAsync_EnforcesMaxResponseContentBufferSize>b__1>d.MoveNext()
    System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize(limit: 2, contentLength: 2, chunked: False) [FAIL]
      System.AggregateException : One or more errors occurred. (One or more errors occurred. (Unknown error (0xffffffff) (127.0.0.1:51223))) (One or more errors occurred. (This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.))
      ---- System.AggregateException : One or more errors occurred. (Unknown error (0xffffffff) (127.0.0.1:51223))
      -------- System.Net.Http.HttpRequestException : Unknown error (0xffffffff) (127.0.0.1:51223)
      ------------ System.Net.Sockets.SocketException : Unknown error (0xffffffff)
      ---- System.AggregateException : One or more errors occurred. (This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.)
      -------- System.PlatformNotSupportedException : This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.
      Stack Trace:
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(89,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(117,0): at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass15_0.<<CreateClientAndServerAsync>b__0>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(101,0): at System.Net.Test.Common.LoopbackServer.CreateServerAsync(Func`2 funcAsync, Options options)
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(271,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize(Int32 limit, Int32 contentLength, Boolean chunked)
        --- End of stack trace from previous location ---
        ----- Inner Stack Trace #1 (System.AggregateException) -----
        
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1439,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1352,0): at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1447,0): at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(462,0): at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/Common/src/System/Threading/Tasks/TaskCompletionSourceWithCancellation.cs(21,0): at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.<WaitWithCancellationAsync>d__1[[System.Net.Http.HttpConnection, System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]].MoveNext()
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(563,0): at System.Net.Http.HttpConnectionPool.GetHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1005,0): at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/RedirectHandler.cs(30,0): at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs(547,0): at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
        /_/src/libraries/System.Net.Http.Json/src/System/Net/Http/Json/HttpClientJsonExtensions.Get.cs(151,0): at System.Net.Http.Json.HttpClientJsonExtensions.<GetFromJsonAsyncCore>d__13`1[[System.String, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(284,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.<>c__DisplayClass10_0.<<GetFromJsonAsync_EnforcesMaxResponseContentBufferSize>b__0>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(72,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(1379,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.CreateException(SocketError error, Boolean forAsyncThrow)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(1118,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ConnectAsync(Socket socket)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(99,0): at System.Net.Sockets.Socket.ConnectAsync(EndPoint remoteEP, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1421,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<ConnectToTcpHostAsync>d__98](<ConnectToTcpHostAsync>d__98& stateMachine)
           at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1352,0): at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<ConnectAsync>d__97](<ConnectAsync>d__97& stateMachine)
           at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1447,0): at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<CreateHttp11ConnectionAsync>d__99](<CreateHttp11ConnectionAsync>d__99& stateMachine)
           at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(462,0): at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<AddHttp11ConnectionAsync>d__74](<AddHttp11ConnectionAsync>d__74& stateMachine)
           at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(504,0): at System.Net.Http.HttpConnectionPool.<>c__DisplayClass75_0.<CheckForHttp11ConnectionInjection>b__0()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs(503,0): at System.Threading.Tasks.Task`1[[System.Threading.Tasks.Task, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].InnerInvoke()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2375,0): at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs(268,0): at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2337,0): at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2271,0): at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2262,0): at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs(724,0): at System.Threading.ThreadPoolWorkQueue.Dispatch()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs(63,0): at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
        /_/src/mono/System.Private.CoreLib/src/System/Threading/Thread.Mono.cs(236,0): at System.Threading.Thread.StartCallback()
        --- End of stack trace from previous location ---
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1421,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        ----- Inner Stack Trace #2 (System.AggregateException) -----
        
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolBoundHandle.PlatformNotSupported.cs(24,0): at System.Threading.ThreadPoolBoundHandle.BindHandle(SafeHandle handle)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SafeSocketHandle.Windows.cs(75,0): at System.Net.Sockets.SafeSocketHandle.GetOrAllocateThreadPoolBoundHandle(Boolean trySkipCompletionPortOnSuccess)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Windows.cs(435,0): at System.Net.Sockets.Socket.GetOrAllocateThreadPoolBoundHandleSlow()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Windows.cs(426,0): at System.Net.Sockets.Socket.GetOrAllocateThreadPoolBoundHandle()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs(112,0): at System.Net.Sockets.SocketAsyncEventArgs.AllocateNativeOverlapped()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs(267,0): at System.Net.Sockets.SocketAsyncEventArgs.DoOperationAccept(Socket socket, SafeSocketHandle handle, SafeSocketHandle acceptHandle, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs(2686,0): at System.Net.Sockets.Socket.AcceptAsync(SocketAsyncEventArgs e, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(935,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.AcceptAsync(Socket socket, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(69,0): at System.Net.Sockets.Socket.AcceptAsync(Socket acceptSocket, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(32,0): at System.Net.Sockets.Socket.AcceptAsync()
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(153,0): at System.Net.Test.Common.LoopbackServer.EstablishConnectionAsync()
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(1072,0): at System.Net.Test.Common.LoopbackServer.HandleRequestAsync(HttpStatusCode statusCode, IList`1 headers, String content)
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(298,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.<>c__DisplayClass10_0.<<GetFromJsonAsync_EnforcesMaxResponseContentBufferSize>b__1>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(64,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
    System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize(limit: 2, contentLength: 3, chunked: True) [FAIL]
      System.PlatformNotSupportedException : This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.
      Stack Trace:
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolBoundHandle.PlatformNotSupported.cs(24,0): at System.Threading.ThreadPoolBoundHandle.BindHandle(SafeHandle handle)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SafeSocketHandle.Windows.cs(75,0): at System.Net.Sockets.SafeSocketHandle.GetOrAllocateThreadPoolBoundHandle(Boolean trySkipCompletionPortOnSuccess)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Windows.cs(435,0): at System.Net.Sockets.Socket.GetOrAllocateThreadPoolBoundHandleSlow()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Windows.cs(426,0): at System.Net.Sockets.Socket.GetOrAllocateThreadPoolBoundHandle()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs(112,0): at System.Net.Sockets.SocketAsyncEventArgs.AllocateNativeOverlapped()
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Windows.cs(267,0): at System.Net.Sockets.SocketAsyncEventArgs.DoOperationAccept(Socket socket, SafeSocketHandle handle, SafeSocketHandle acceptHandle, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs(2686,0): at System.Net.Sockets.Socket.AcceptAsync(SocketAsyncEventArgs e, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(935,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.AcceptAsync(Socket socket, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(69,0): at System.Net.Sockets.Socket.AcceptAsync(Socket acceptSocket, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(32,0): at System.Net.Sockets.Socket.AcceptAsync()
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(153,0): at System.Net.Test.Common.LoopbackServer.EstablishConnectionAsync()
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(1072,0): at System.Net.Test.Common.LoopbackServer.HandleRequestAsync(HttpStatusCode statusCode, IList`1 headers, String content)
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(298,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.<>c__DisplayClass10_0.<<GetFromJsonAsync_EnforcesMaxResponseContentBufferSize>b__1>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(72,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
        /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(91,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks)
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(117,0): at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass15_0.<<CreateClientAndServerAsync>b__0>d.MoveNext()
        --- End of stack trace from previous location ---
        /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs(101,0): at System.Net.Test.Common.LoopbackServer.CreateServerAsync(Func`2 funcAsync, Options options)
        /_/src/libraries/System.Net.Http.Json/tests/FunctionalTests/HttpClientJsonExtensionsTests.cs(271,0): at System.Net.Http.Json.Functional.Tests.HttpClientJsonExtensionsTests.GetFromJsonAsync_EnforcesMaxResponseContentBufferSize(Int32 limit, Int32 contentLength, Boolean chunked)
        --- End of stack trace from previous location ---
```
</details>

- There's an inner exception with this message: `System.PlatformNotSupportedException : This API is specific to the way in which Windows handles asynchronous I/O, and is not supported on this platform.`

-----

- `System.Security.Cryptography.Xml.Tests` logs:
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-51cb133a6f4e4df68e/System.Security.Cryptography.Xml.Tests/1/console.fe31de2d.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-ce3c0230e4be48928a/System.Security.Cryptography.Xml.Tests/1/console.b9a1a821.log?helixlogtype=result
  - https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-83742-merge-881df62a74ea404f8c/System.Security.Cryptography.Xml.Tests/1/console.c59db094.log?helixlogtype=result

<details><summary>Output (expand)</summary>

```
    System.Security.Cryptography.Xml.Tests.SignedXmlTest.VerifyXmlResolver(provideResolver: True) [FAIL]
      System.Xml.XmlException : An error has occurred while opening external entity 'http://127.0.0.1:9000/': Unknown error (0xffffffff) (127.0.0.1:9000)
      ---- System.Net.Http.HttpRequestException : Unknown error (0xffffffff) (127.0.0.1:9000)
      -------- System.Net.Sockets.SocketException : Unknown error (0xffffffff)
      Stack Trace:
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(2822,0): at System.Xml.XmlTextReaderImpl.Throw(Exception e)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(8084,0): at System.Xml.XmlTextReaderImpl.PushExternalEntityOrSubset(String publicId, String systemId, Uri baseUri, String entityName)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(8152,0): at System.Xml.XmlTextReaderImpl.PushExternalEntity(IDtdEntityInfo entity)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(6221,0): at System.Xml.XmlTextReaderImpl.HandleGeneralEntityReference(String name, Boolean isInAttributeValue, Boolean pushFakeEntityIfNullResolver, Int32 entityStartLinePos)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(6146,0): at System.Xml.XmlTextReaderImpl.HandleEntityReference(Boolean isInAttributeValue, EntityExpandType expandType, Int32& charRefEndPos)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(5764,0): at System.Xml.XmlTextReaderImpl.ParseText(Int32& startPos, Int32& endPos, Int32& outOrChars)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(5909,0): at System.Xml.XmlTextReaderImpl.FinishPartialValue()
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(921,0): at System.Xml.XmlTextReaderImpl.get_Value()
        /_/src/libraries/System.Private.Xml/src/System/Xml/Dom/XmlLoader.cs(181,0): at System.Xml.XmlLoader.LoadNode(Boolean skipOverWhitespace)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Dom/XmlLoader.cs(60,0): at System.Xml.XmlLoader.LoadDocSequence(XmlDocument parentDoc)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Dom/XmlLoader.cs(51,0): at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Dom/XmlDocument.cs(1345,0): at System.Xml.XmlDocument.Load(XmlReader reader)
        /_/src/libraries/System.Security.Cryptography.Xml/src/System/Security/Cryptography/Xml/Utils.cs(216,0): at System.Security.Cryptography.Xml.Utils.PreProcessDocumentInput(XmlDocument document, XmlResolver xmlResolver, String baseUri)
        /_/src/libraries/System.Security.Cryptography.Xml/src/System/Security/Cryptography/Xml/Reference.cs(379,0): at System.Security.Cryptography.Xml.Reference.CalculateHashValue(XmlDocument document, CanonicalXmlNodeList refList)
        /_/src/libraries/System.Security.Cryptography.Xml/src/System/Security/Cryptography/Xml/SignedXml.cs(923,0): at System.Security.Cryptography.Xml.SignedXml.CheckDigestedReferences()
        /_/src/libraries/System.Security.Cryptography.Xml/src/System/Security/Cryptography/Xml/SignedXml.cs(313,0): at System.Security.Cryptography.Xml.SignedXml.CheckSignature(KeyedHashAlgorithm macAlg)
        /_/src/libraries/System.Security.Cryptography.Xml/tests/SignedXmlTest.cs(1659,0): at System.Security.Cryptography.Xml.Tests.SignedXmlTest.VerifyXmlResolver(Boolean provideResolver)
        /_/src/mono/System.Private.CoreLib/src/System/Reflection/RuntimeMethodInfo.cs(370,0): at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1439,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1352,0): at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1447,0): at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(462,0): at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/Common/src/System/Threading/Tasks/TaskCompletionSourceWithCancellation.cs(21,0): at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.<WaitWithCancellationAsync>d__1[[System.Net.Http.HttpConnection, System.Net.Http, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]].MoveNext()
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(563,0): at System.Net.Http.HttpConnectionPool.GetHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1005,0): at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/RedirectHandler.cs(30,0): at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs(348,0): at System.Net.Http.HttpClient.GetStreamAsyncCore(HttpRequestMessage request, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.Xml/src/System/Xml/XmlDownloadManagerAsync.cs(43,0): at System.Xml.XmlDownloadManager.GetNonFileStreamAsync(Uri uri, ICredentials credentials, IWebProxy proxy)
        /_/src/libraries/System.Private.Xml/src/System/Xml/XmlDownloadManager.cs(22,0): at System.Xml.XmlDownloadManager.GetStream(Uri uri, ICredentials credentials, IWebProxy proxy)
        /_/src/libraries/System.Private.Xml/src/System/Xml/XmlUrlResolver.cs(47,0): at System.Xml.XmlUrlResolver.GetEntity(Uri absoluteUri, String role, Type ofObjectToReturn)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(8123,0): at System.Xml.XmlTextReaderImpl.OpenAndPush(Uri uri)
        /_/src/libraries/System.Private.Xml/src/System/Xml/Core/XmlTextReaderImpl.cs(8069,0): at System.Xml.XmlTextReaderImpl.PushExternalEntityOrSubset(String publicId, String systemId, Uri baseUri, String entityName)
        ----- Inner Stack Trace -----
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(1379,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.CreateException(SocketError error, Boolean forAsyncThrow)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(1118,0): at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ConnectAsync(Socket socket)
        /_/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Tasks.cs(99,0): at System.Net.Sockets.Socket.ConnectAsync(EndPoint remoteEP, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1421,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<ConnectToTcpHostAsync>d__98](<ConnectToTcpHostAsync>d__98& stateMachine)
           at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1352,0): at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<ConnectAsync>d__97](<ConnectAsync>d__97& stateMachine)
           at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1447,0): at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<CreateHttp11ConnectionAsync>d__99](<CreateHttp11ConnectionAsync>d__99& stateMachine)
           at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(462,0): at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs(38,0): at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<AddHttp11ConnectionAsync>d__74](<AddHttp11ConnectionAsync>d__74& stateMachine)
           at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(504,0): at System.Net.Http.HttpConnectionPool.<>c__DisplayClass75_0.<CheckForHttp11ConnectionInjection>b__0()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs(503,0): at System.Threading.Tasks.Task`1[[System.Threading.Tasks.Task, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].InnerInvoke()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2375,0): at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs(268,0): at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2337,0): at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2271,0): at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2262,0): at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/ThreadPoolWorkQueue.cs(724,0): at System.Threading.ThreadPoolWorkQueue.Dispatch()
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/PortableThreadPool.WorkerThread.cs(63,0): at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
        /_/src/mono/System.Private.CoreLib/src/System/Threading/Thread.Mono.cs(236,0): at System.Threading.Thread.StartCallback()
        --- End of stack trace from previous location ---
        /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionPool.cs(1421,0): at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
```
</details>

### Report
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|0|

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[6.0][windows][mono] HttpRequestException : Unknown error 0xffffffff 127.0.0.1:RandomPort #84175

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[6.0][windows][mono] HttpRequestException : Unknown error 0xffffffff 127.0.0.1:RandomPort #84175

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