Why does etcd fail with Debian/bullseye kernel?

Nope, didn’t seem to help:

kube-system      etcd-kube-master                                           0/1     CrashLoopBackOff   818 (80s ago)     8d
kube-system      kube-apiserver-kube-master                                 0/1     CrashLoopBackOff   806 (39s ago)     8d
kube-system      kube-controller-manager-kube-master                        0/1     CrashLoopBackOff   637 (70s ago)     8d