#!/bin/bash set -e RULESET="define addrv4_vpnnet = 10.1.0.0/16 table ip nat { chain postrouting { type nat hook postrouting priority 0; policy accept; ip saddr \$addrv4_vpnnet counter masquerade fully-random comment \"masquerade ipv4\" } }" $NFT -c -o -f - <<< $RULESET