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Gergely Orosz
gergely.pragmaticengineer.com
did:plc:3n5xhy6vl7smssmwxq5wgqa6
Mystery solved!!
Ubuntu 22.04 had an automatic update to systemd. This update restarted systemd that wiped IP rules and took down networking for Kubernetes infra.
The update came out 9 June. 9-10 June dozens of services had big outages. Like Heroku: https://newsletter.pragmaticengineer.com/p/why-reliability-is-hard-at-scale
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2025-07-22T19:48:31.413Z