Media Server :: NetConnection.close() Not Closing The Connection?

I'm creating a very, very basic AIR application which mainly just needs to check if a given FMS is up and running. To do that, I'm simply connecting to the FMS and after a successful connection, disconnecting to free up the connection slots. All is repeated at some interval. This is like a monitoring tool.
 
However, looking into the admin panel (Influxis) I can see that the number of active connections is ever growing, even though I'm calling close() on the NetConnection instance every time.
 
Also, adding a timer to trace the netConnection.connected value outputs always "true", after the close() function has been called.
 
I'm not creating any NetStreams, nothing.