Many thanks to the CEFF TV who has posted a video clip on youtube from the activities at the festival on Sunday, June 15. Footage of Keanu Reeves on the red carpet for the Side by Side screening starts around the 4:16 mark. You can view it here.
Update: Many thanks to Zickma who has shared his videos from the Side by SIde Q&A on his blog (scroll down) and youtube. You can view them here, here, here, here and here.
Many thanks to wouan who shared a clip of Keanu at the photocall for Man of Tai Chi on youtube.