How can I change USB label numbers

[nayasis]

I figured retroarch use SDL for joystick recognition and joystic ID issued in order USB label numbers.

for example, 1 single Xbox pad was connected on USB label 2

0 : Microsoft X-Box 360 pad

and next Xbox pad was connected on USB label 1

0 : Microsoft X-Box 360 pad (second connected on USB label 1)
1 : Microsoft X-Box 360 pad (first connected on USB label 2)

But if second pad was connected on USB label 3...

0 : Microsoft X-Box 360 pad (first connected on USB label 2)
1 : Microsoft X-Box 360 pad (second connected on USB label 3)

Issue comes when I use MEGA PI case made by retroflag.
It is awesome and perfect in finish but must upside-down raspberry pi to install in this case.

So, if I want to connect third Xbox pad, USB labels must be like below.

Is it possible to change USB label by software ways ?

I used joystick-selection by meleu but over 3 game controllers having same name (or guid) could not be helped by joystick-selection.

also, I could inject custom joypad-index before retroarch runs but it becomes worthless if joypad changed or unpluged.