(In reply to Richard Brown from comment #9) > Hi all - I've been looking at this all day, here is the current status: > > I can confirm it happens with both kubicctl and kubeadm clusters made from > the current snapshots. > > We know this doesn't occur on kubicctl clusters with multi-masters, which > suggests haproxy somehow works around the issue. Might want to verify this. Tried a multi-master deployment two releases back. I had no issue with the master nodes but I still got the issue on the worker nodes. (Will test it on the latest release again tonight). > This now leads me to wonder if the kernel or runc updates are to blame, > which I will look at tomorrow, unless someone beats me to it first. > > Sorry that this doesn't look like it will be a quick fix. Anyone got any > other info that might help? Couldn't it be tested by downgrading the kernel ?