#!/bin/bash set -e RULESET=" add table ip filter add counter ip filter c1 add map ip filter m1 { type ipv4_addr : counter ;} add element ip filter m1 { 1 : c1 } add element ip filter m1 { 1 : c1 } delete element ip filter m1 { 1 } delete counter ip filter c1" $NFT -f - <<< "$RULESET"