d := Dialer{Control: controlOnConnSetup}
			c, err := d.Dial(network, ln.Addr().String())
			if err != nil {
				t.Error(err)
				continue
			}
			c.Close()
		}
	})
	t.Run("PacketDial", func(t *testing.T) {
		for _, network := range []string{"udp", "udp4", "udp6", "unixgram"} {
			if !testableNetwork(network) {
				continue
			}
			c1 := newLocalPacketListener(t, network)