can support Cluster address？

[kaydxh]

        var handler telnet.Handler = telnet.EchoHandler
	err := telnet.ListenAndServe("192.168.1.10:5555,192.168.1.11:5556,192.168.1.12:5557", handler)
	if nil != err {
		//@TODO: Handle this error better.
		panic(err)
	}