/usr/lib/libI810XvMC.so.1 is in xserver-xorg-video-intel 2:2.99.910-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libI810XvMC.so.1.0.0
/usr/lib/libI810XvMC.so.1.0.0