#!/bin/bash

set -e

RULESET="add table x

add chain x y

delete chain x y

delete table x

add table x

add chain x y { type filter hook input priority 0; }

add chain x y { policy drop; }

flush ruleset

add table w

add chain w y { type filter hook output priority 0; }"

$NFT -f - <<< "$RULESET"

if [ $? -ne 0 ] ; then

        echo "E: unable to load good ruleset" >&2

        exit 1

fi