linux
kube-proxy가 자구 crashbackoff 상태로 감
I0419 13:36:28.785450 1 proxier.go:833] "Sync failed" ipFamily="IPv6" retryingTime="30s" E0419 13:36:58.830412 1 proxier.go:1564] "Failed to execute iptables-restore" err=< exit status 2: Warning: Extension MARK revision 0 not supported, missing kernel