Unhandled Exception: System.InvalidOperationException: outstanding references detected.
   at Microsoft.AspNetCore.Server.Kestrel.Internal.System.Buffers.OwnedBuffer`1.Dispose()
   at Microsoft.AspNetCore.Server.Kestrel.Internal.System.IO.Pipelines.Pipe.Dispose()
   at Microsoft.AspNetCore.Server.Kestrel.Internal.System.IO.Pipelines.Pipe.Microsoft.AspNetCore.Server.Kestrel.Internal.System.IO.Pipelines.IPipeWriter.Complete(Exception exception)
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal.LibuvConnection.<OnRead>d__34.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()