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#!/bin/bash
set -e
$NFT add table ip filter
$NFT add chain ip filter input { type filter hook input priority 0\; }
for ((i=0;i<20;i++)); do
$NFT add chain ip filter a$i
done
$NFT add rule ip filter input jump a1
for ((i=0;i<10;i++)); do
$NFT add rule ip filter a$i jump a$((i+1))
done
for ((i=11;i<19;i++)); do
$NFT add rule ip filter a$i jump a$((i+1))
done
$NFT add rule ip filter a10 jump a11
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