#!/bin/bash

set -e

RULESET="add table x
add set x y { type ipv4_addr; flags interval;}
add element x y { 192.168.0.0/24, 192.168.2.0/24 }
delete element x y { 192.168.0.0/24 }
delete element x y { 192.168.2.0/24 }
add element x y { 192.168.4.0/24 }"

$NFT -f - <<< $RULESET
if [ $? -ne 0 ] ; then
        echo "E: unable to load good ruleset" >&2
        exit 1
fi