How can I narrow down the cause of this kestrel error? Unexpected exception in TimingPipeFlusher.FlushAsync

Question

How can I narrow down what is causing this error to occur? There is nothing more in the stack trace or exception that I'm able to use to narrow down the problem.

This is happening within a docker container built on docker tag sdk:5.0 and running on aspnet:5.0. The container is running on Ubuntu 20.04.2 LTS.

It seems to happen when starting to run low on available host memory.

Unexpected exception in TimingPipeFlusher.FlushAsync.
System.Net.Sockets.SocketException (110): Connection timed out
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketAwaitableEventArgs.<GetResult>g__ThrowSocketException|7_0(SocketError e)
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketAwaitableEventArgs.GetResult()
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketConnection.ProcessSends()
   at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketConnection.DoSend()
   at System.IO.Pipelines.PipeCompletion.ThrowLatchedException()
   at System.IO.Pipelines.Pipe.GetFlushResult(FlushResult& result)
   at System.IO.Pipelines.Pipe.GetFlushAsyncResult()
   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure.PipeWriterHelpers.ConcurrentPipeWriter.FlushAsyncAwaited(ValueTask`1 flushTask, CancellationToken cancellationToken)
   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure.PipeWriterHelpers.TimingPipeFlusher.TimeFlushAsyncAwaited(ValueTask`1 pipeFlushTask, MinDataRate minRate, IHttpOutputAborter outputAborter, CancellationToken cancellationToken)