Fix for kube-proxy: Drop packets in INVALID state
#k8s
#solved
Solution Summary
This issue addresses dropped network packets in Kubernetes due to the kube-proxy component misinterpreting the INVALID state in conntrack. The resolution, detailed in Kubernetes PR #74840, ensures proper handling of network connections by adjusting the proxy logic, thereby preventing unintentional packet drops and stabilizing the underlying networking layer.
The Problem
Detailed fix for Kubernetes issue PR #74840
Why does this happen?
Technical root cause identified in the networking layer.
Code Example
https://github.com/kubernetes/kubernetes/pull/74840 Step-by-Step Fix
Follow the resolution implemented in PR #74840 on GitHub.