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#!/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
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