Hi
this is a teamspeak-related issue.
The query is counted as a user. So the webserver practically connects to the server, looks who is online and leaves as soon as he has all the information.
When this entries appear in your logfile, you probably use a loglevel which is too verbose.
I'm sorry that I can not help you with this, I suggest you to consult the official teamspeak support forum, since you're the first user reporting an issue with the plugin like this.
Here is a thread with the same problem, perhaps it helps you:
http://forum.teamspeak.com/showthrea...sconnecting%29