Around 17:12 UTC, the Jenkins CI master has lost connections to every Jenkins agents :-\
https://integration.wikimedia.org/ci/computer/ shows they are all offline
Around 17:12 UTC, the Jenkins CI master has lost connections to every Jenkins agents :-\
https://integration.wikimedia.org/ci/computer/ shows they are all offline
WMCS is in maintenance, some upgrade of the network stack. I guess it was scheduled and I missed the announcement somehow in my email spam :] Mystery solved!