#!/bin/bash
set -e
$NFT add table t
$NFT add chain t output {type nat hook output priority 0 \; }
$NFT add chain t c1
$NFT add rule t c1 masquerade
# kernel should return EOPNOTSUPP
$NFT add rule t output jump c1 2>/dev/null || exit 0
echo "E: accepted masquerade in output hook" >&2
exit 1