Same here:

ubuntu@ubuntu:~$ uname -a
Linux ubuntu 6.8.0-57-generic #59-Ubuntu SMP PREEMPT_DYNAMIC Sat Mar 15 
17:40:59 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

kube-proxy in a crash loop:

I0403 08:12:32.413122       1 proxier.go:803] "Sync failed" retryingTime="30s"
E0403 08:13:02.444595       1 proxier.go:1525] "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.
 >
I0403 08:13:02.444614       1 proxier.go:803] "Sync failed" retryingTime="30s"

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https://bugs.launchpad.net/bugs/2104282

Title:
  iptables NFLOG TRACE MARK incompatibility

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