if err != nil {
		return nil, []error{errors.Wrapf(err, "unable to get first IP address from the given CIDR (%s)", cidr.String())}
	}

	testIPstring := testIP.String()
	if len(testIP) == net.IPv6len {
		testIPstring = fmt.Sprintf("[%s]:1234", testIP)
	}
	url := fmt.Sprintf("%s://%s/", subnet.Proto, testIPstring)

	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return nil, []error{err}

			t.Errorf("socks5 proxy second read: got %v, want %v", buf[:3], want)
			return
		}
		var ipLen int
		switch buf[3] {
		case 1:
			ipLen = net.IPv4len
		case 4:
			ipLen = net.IPv6len
		default:
			t.Errorf("socks5 proxy second read: unexpected address type %v", buf[4])
			return
		}
		if _, err := io.ReadFull(s, buf[4:ipLen+6]); err != nil {

		{"IPv4Mask", Func, 0},
		{"IPv4allrouter", Var, 0},
		{"IPv4allsys", Var, 0},
		{"IPv4bcast", Var, 0},
		{"IPv4len", Const, 0},
		{"IPv4zero", Var, 0},
		{"IPv6interfacelocalallnodes", Var, 0},
		{"IPv6len", Const, 0},
		{"IPv6linklocalallnodes", Var, 0},
		{"IPv6linklocalallrouters", Var, 0},
		{"IPv6loopback", Var, 0},
		{"IPv6unspecified", Var, 0},
		{"IPv6zero", Var, 0},
		{"Interface", Type, 0},