There's been a highly annoying kubectl port-forward heisenbug open for several years which smells an awful lot like one of these dark Go network layer corners.

There's been a highly annoying kubectl port-forward heisenbug open for several years which smells an awful lot like one of these dark Go network layer corners. You get a good connection establish and some data flows, but at some random point it decides to drop. It's not annoying enough for any wizards to fix. I immediately thought of this bug when Nagle in Go came up here. https://github.com/kubernetes/kubernetes/issues/74551 https://github.com/kubernetes/kubernetes/issues/74551