Oh, I solved it. It must have been a library problem. I removed the nft package installed by my package manager and it worked. Now it says inet/socket.t: WARNING: line: 7: 'add rule ip sockip4 sockchain socket exists': 'socket exists' mismatches 'socke' -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html