I Replaced kube-proxy with eBPF in Production (And Why My Monitoring Went Blind for 6 Hours) From a "simple" Cilium upgrade to a 6-hour outage where my SIEM couldn't see a single packet — the real story of deleting kube-proxy, the eBPF program that saved me, and why the docs never warned me about the one metric that matters. The Setup It started with a cilium upgrade command I ran on a Tuesday evening. My homelab cluster — the same 4-node bare-metal setup I wrote ab...