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This is from kube-proxy as well:

E0408 15:32:13.889598       1 proxier.go:1564] "Failed to execute iptables-restore" err=<
	exit status 2: Warning: Extension MARK revision 0 not supported, missing kernel module?
	ip6tables-restore v1.8.9 (nf_tables): unknown option "--xor-mark"
	Error occurred at line: 17
	Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
 > ipFamily="IPv6"

Yes, is a kernel bug. Upgrade or downgrade your kernel.