Comment by blaisio

Yes! I think this is a really under-reported issue. It's basically caused by kubernetes doing things without confirming everyone responded to prior status updates. It affects every ingress controller, and it also affects services of type "Load Balancer" and there isn't a real fix. Even if you add a timeout in the pre stop hook, that still might not handle it 100% of the time. IMO it is a design flaw in Kubernetes.