#!/bin/bash
family=netdev
hook=ingress
for prioname in raw mangle dstnat security srcnat
do
$NFT add table $family x || exit 1
$NFT add chain $family x y "{ type filter hook $hook device lo priority $prioname; }" &> /dev/null
if (($? == 0))
then
echo "E: $prioname should not be a valid priority name for netdev family chains." >&2
exit 1
fi
done
exit 0