LKRG can cause this:
sudo iptables --list
iptables/1.8.2 Failed to initialize nft: Protocol not supported
Cause:
lkrg.umh_lock=1
LKRG can cause this:
sudo iptables --list
iptables/1.8.2 Failed to initialize nft: Protocol not supported
Cause:
lkrg.umh_lock=1