Akka Warning - Received Write command before Register command

[vncoelho]

[WARNING][04/02/2020 22:51:46][Thread 0010][akka://NeoSystem/system/IO-TCP/$a/$hw] Received Write command before Register command. It will be buffered until Register will be received (buffered write size is 52 bytes)

This is repeatedly happening.

[ShawnYun]

It seems to be due to the following reasons：
The following diagram illustrate the actors involved in establishing and handling a connection.

In Neo3，when we received a Connected message, we will create a new RemoteNode and send MessageCommand.Version immediately before we send Tcp.Register message.

So, Maybe we can solve the problem to send Tcp.Register message first, then the MessageCommand.Version.