#!/bin/bash
$XT_MULTI iptables -N c1 || exit 0
$XT_MULTI iptables -N c2 || exit 0
$XT_MULTI iptables -E c1 c2 || exit 1
$XT_MULTI ip6tables -N c1 || exit 0
$XT_MULTI ip6tables -N c2 || exit 0
$XT_MULTI ip6tables -E c1 c2 || exit 1
echo "E: Renamed with existing chain" >&2
exit 0