Guild Wars 2

My friend and I found a bug with Lighning Rod:
when you/your enemy interrupt your enemy/you, both get shock aura, on the next hit(after 2sec) when shock aura triggers again lightning rod trigges 9 times or so
here is a damage log screenshot:http://40.media.tumblr.com/56226edecb1842cf0741a29332dd10ce/tumblr_nrsk176xKR1tze48co1_1280.jpg
and a small youtube video https://www.youtube.com/watch?v=w-pNRoVXhCY&feature=youtu.be