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When the Kubernetes API went silent: A three-layer networking mystery
Every support engineer has a case that stays with them. The one that comes up at team lunches. The one where, even after it's resolved, you find yourself staring at a packet capture at midnight just to make sure you really understand what happened. This is that case. It started in January 2026 with a support ticket that read deceptively simply: pods are intermittently failing to reach the Kubernetes API server. The…