Duplicate rule in filter/DOCKER

[mweinelt]

domain ip {
	table filter {
		chain DOCKER {
			daddr 172.18.0.4/32 interface ! br-0d76ae4d7d21 outerface br-0d76ae4d7d21 proto tcp dport 8080 ACCEPT;
			daddr 172.18.0.4/32 interface ! br-0d76ae4d7d21 outerface br-0d76ae4d7d21 proto tcp dport 8080 ACCEPT;
			
		}
}

This is because there exist two mappings to the same internal port.

a40398c84d77        nginx:1.17-alpine                    "nginx -c /etc/netbo…"   3 months ago        Up About an hour    80/tcp, 0.0.0.0:8000->8080/tcp, 0.0.0.0:32768->8080/tcp   netbox_nginx_1

We should dedup by container.ip and mapping.internal_port.