Legion Feral Frenzy recovery effect on normal hits

Tythamir

As the title states, when dealing damage with a basic hit as legion as of late my screen will darken as if I had just cancelled out Feral Frenzy and was in the recovery state.

Platform is PS4

Im able to reproduce the effect with any addons and perk combinations so I am unsure what the real cause is

It has been occuring for every single match as Legion since the 4.1.1 hotfix