#!/bin/bash

for family in ip ip6 inet
do
	for hook in prerouting input forward output
	do
		$NFT add table $family x
		$NFT add chain $family x y "{ type filter hook $hook priority srcnat; }" &> /dev/null
		if (($? == 0))
		then
			echo "E: srcnat should not be a valid priority name in $family $hook chains." >&2
			exit 0
		fi
	done
done
exit 1