table ip foo {
	map pinned {
		typeof ip saddr . ct original proto-dst : ip daddr . tcp dport
		size 65535
		flags dynamic,timeout
		timeout 6m
	}

	chain pr {
		update @pinned { ip saddr . ct original proto-dst timeout 1m30s : ip daddr . tcp dport }
		update @pinned { ip saddr . ct original proto-dst timeout 1m30s : ip daddr . tcp dport }
	}
}