Incident Library

Organisation

Altinity

Altinity · altinity

1 case · 2025

Root cause Breaking change in an upgrade
Component Cloud load balancerkube-proxyLinux kernelNode operating system image
Contributing factor Unpatched known bugNo staged rollout
Symptom Service outage

Cases

  1. IL-0079 A GKE node auto-upgrade to an ubuntu_containerd image with a kernel regression left kube-proxy unable to apply its ip6tables rules, so load balancer health checks failed and several clusters lost all ingress trafficAltinity · 2025

    Root cause Breaking change in an upgrade