table ip t {
	set s1 {
		type inet_proto
		size 65535
		flags dynamic
	}

	set s2 {
		type ipv4_addr
		size 65535
		flags dynamic
	}

	set s3 {
		type ipv4_addr
		size 1024
		flags dynamic
	}

	chain c {
		type filter hook input priority filter; policy accept;
		iifname "foobar" add @s1 { ip protocol }
		iifname "foobar" add @s2 { ip daddr }
		iifname "foobar" add @s3 { ip daddr }
	}
}