New Delhi,September 4 (ANI):Is Aishwarya Rai Bachchan advising hubby Abhishek against working with Katrina Kaif,The buzz seems to suggest as much.Rumours doing the rounds in B town have it that Ash is discouraging Abhishek from working in Karan Johar's Dostana 2,which also stars Katrina.The reason Katrina's walking out of Abbas Mustan's remake of The Italian Job hasn't gone down well with the Bachchans.The Bollywood remake stars Abhishek along with Neil Nitin Mukesh and Omi Vaidya in the lead.