table ip x {
	chain t1 {
	}

	chain t2 {
	}

	chain t3 {
	}

	chain t4 {
	}

	chain y {
		counter packets 0 bytes 0 jump t1
		counter packets 0 bytes 0 jump t2
		ip version vmap { 4 : jump t3, 6 : jump t4 }
	}
}