Check that the ssh-ip-address is a valid IP

cmd/minikube/cmd/start.go

@@ -1102,6 +1102,13 @@ func validateFlags(cmd *cobra.Command, drvName string) {
 		if sshIPAddress == "" {
 			exit.Message(reason.Usage, "No IP address provided. Try specifying --ssh-ip-address, or see https://minikube.sigs.k8s.io/docs/drivers/ssh/")
 		}
+
+		if net.ParseIP(sshIPAddress) == nil {
+			_, err := net.LookupIP(sshIPAddress)
+			if err != nil {
+				exit.Error(reason.Usage, "Could not resolve IP address", err)
+			}
+		}
 	}
 
 	// validate kubeadm extra args