#!/bin/bash

set -e

MAX_JUMPS=16

$NFT add table t

for i in $(seq 1 $MAX_JUMPS)

do

	$NFT add chain t c${i}

done

for i in $(seq 1 $((MAX_JUMPS - 1)))

do

	$NFT add rule t c${i} jump c$((i + 1))

done

# this last jump should fail: loop

$NFT add rule t c${MAX_JUMPS} jump c1 2>/dev/null || exit 0

echo "E: loop of jumps ignored?" >&2

exit 1