I know how this rumour started. There is no indication he's will end up in Chelsea anytime soon. Hazard just said KDB is a goodfootballer that's it.

I think he will stay at Wolfsburg for another season and then he will probably end up in some big club like Real Madrid, Bayern, PSG or perhaps Man U.

and we got humiliated at home by a french team

Humiliated?  That's a bit strong.  We weren't at our best, it's a knock out competition.  Jose has seen KDB and sold him.  Also, if the stories are true (I know, paper talk) about him and Tibo not getting along because of a past girlfriend, then I'd much rather keep TC happy than sign back a player just because he's doing well in Germany