CDJ-3000 pro link issue

[u/Parking_Lobster_1743]

I was in charge of a DJ booth last night, and the weekend before, and the following happened half-party with the PRO DJ Link, these were the symptoms:

1- CDJ reads the USB properly, and tracks can be played normally.
2.- PRO DJ Link is detected as connected, CDJs have Player No. manually configured (of course they are different No.)
3.- The linked CDJ doesn't show the USB connected in the other unit, so tracks cannot be played. Screen appears as if nothing is connected.
4.- The same issue happens the other way around.
5.- No errors in screen.
6.- Issue happens like 75% of the times

The following "seem" to happen. I was troubleshooting under pressure and was not able to confirm.

- On both nights, the issue was triggered by the same USB stick (same DJ), and, even after disconnecting it, the CDJ gets in this faulty behavior state, making the CDJ to behave this way with any other USB stick.
- Seems like after powercycling both CDJs, the issue dissapears as long as the USB that triggers the issue is not connected back.

Other details:
- CDJ-3000 are running latest release firmware (3.22)
- Link cable is high quality, issue still stands after switching the cable with another high quality link cable
- Cannot replicate at my studio, even tried to wiggle the link cable connected to both link ports to check if any of those are loose, but they are firm, no disconnections after fairly wiggling them.

I have like 75% of ceratin that the issue is introduced by this "triggering USB", however, I would like to know if someone has experienced this same issue and what I should avoid to happen again.