We have no evidences that "Guti" means "Kurd", for we don't know the origins of the terms "Kurds". Some scholars think it cmomes from kytrtoii (Georgians) and then Kurds could be close relatives of Georgian ppl, but we are not sure.
But of course Kurds from today could have "Guti's blood" as Karduks, as Kard from Corduene, as Medes... in fact they are probably a synthesis of all these people !