Alonso has the ambition to win the triple crown, so I guess he is looking for a LMP1 seat. Not gonna happen that Mclaren and Honda let him race in a rival brand like Porsche or Toyota.
But if he really want to do Le Mans, his boss at Mclaren (Zak Brown) has still a empty seat left for Le Mans in his other team: United Autosport. In Owen they have their mandatory Silver or Bronze driver, so there is place for a Platinum driver!
No need to skip another Grand Prix. So Fernando, it's time for the next big surprise.