#!/bin/bash # must fail: expr MAP { expr : type1, expr : type2, .. } expr set -e $NFT add table ip filter $NFT add chain ip filter output { type filter hook output priority 0 \; } $NFT add rule ip filter output meta mark set tcp dport map { 22 : 1, 23 : 192.168.0.1 } echo "E: Added two different types of expression to map"