Rogue camouflage ability isn’t working as intended all the time. Particularly, if you zone into - or out of - an instance while stealthed, when you unstealth it will be a 10-second cooldown. Also bugged is when you log out of the game while stealthed and then log back in.
Camouflage is designed to lower the cooldown if stealth from 10 seconds to 5 seconds, but this isn’t always working correctly.
Funny, because even the tooltip says 5 sec cooldown, so funny seeing “10 sec remaining” on cooldown while it’s displaying 5 sec total cooldown.
I have heard other complain about stealth still being a 10 second cooldown when unstealthed through other ways. So, clearly, it is not working as intended. I am including two videos of the bug.