#!/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