Opening up more TCP serial ports during sim

Is it possible to open more than 3 serial tcp port for a simulation. I need several more to connect to GQC, MACE, TAK etc.

I.e. can I get SERIAL3 on TCP port, SERIAL4 etc.

Right now, I am using this command: sim_vehicle.py -v copter --count=3 --auto-sysid --console --map.

Start with the sim_vehicle.py entry point and trace how the --count=3 simulation instances expose SERIAL ports over TCP. Determine how SERIAL3, SERIAL4, and later ports should be assigned for GQC, MACE, TAK, and similar clients; done means several additional serial TCP ports are available during simulation without breaking existing connections.

Written by the indexing model from the issue text.