#!/bin/bash

set -e

ip link add name dummy0 type dummy

EXPECTED="define if_main = \"lo\"

table netdev filter1 {
	chain Main_Ingress1 {
		type filter hook ingress device \$if_main priority -500; policy accept;
	}
}"

$NFT -f - <<< $EXPECTED

EXPECTED="define if_main = \"lo\"

table netdev filter2 {
	chain Main_Ingress2 {
		type filter hook ingress devices = { \$if_main, dummy0 } priority -500; policy accept;
	}
}"

$NFT -f - <<< $EXPECTED

EXPECTED="define if_main = { lo, dummy0 }

table netdev filter3 {
	chain Main_Ingress3 {
		type filter hook ingress devices = \$if_main priority -500; policy accept;
	}
}"

$NFT -f - <<< $EXPECTED