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bitter-account-51613

01/13/2023, 1:41 PM
Hello, We recently upgrade one node in cluster from debian 10 to debian 11 and pods in this node dont have network connection right now. K8s version 1.21.1 Any ideas?
l

loud-receptionist-98355

01/13/2023, 1:46 PM
calico broke?
there was a change in kernel's netfilter api at some point, which causes old calico node versions to break
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bitter-account-51613

01/13/2023, 1:49 PM
and how to fix it?
l

loud-receptionist-98355

01/13/2023, 1:58 PM
update Calico to a more recent version
b

bitter-account-51613

01/13/2023, 2:24 PM
So we upgraded k8s to version 1.22.13 and it fixes. Thank you very much 🙂
l

loud-receptionist-98355

01/13/2023, 3:15 PM
had the same issue with microk8s after Ubuntu update