#!/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 1
fi
done
done
exit 0