Board Thread:Skyrim/@comment-108.76.119.144-20160803232143/@comment-86.14.59.234-20161018221616

Kodlak knows about the werewolves and the Underforge, so it wouldn't be a complete shock. It's also implied that Aela and Skjor aren't too discreet, and that Kodlak is suspicious. All in all, I think Kodlak would just get pissed off and give them a slap on the proverbial wrist.