Character drifting to the left during activity start

[Armorlord]

During the countdown at the beginning of activities, the character starts slow walking to the left.
I think it might be linked to me holding the shift key down during part of the loading, but I'm not certain.
Does cause some awkward motion at the beginning of races, particularly ones on rails like the Speed Rift where he starts to dash away from the track before being corrected.

 

[arkayn]

I have seen it once, but only during the actual race. I ended up unplugging my controller just to make sure that it was not causing the problem.