/usr/lib/x86_64-linux-gnu/dri/i965_dri.so is in libgl1-mesa-dri-lts-trusty 10.1.3-0ubuntu0.2~precise2.
This file is owned by root:root, with mode 0o644.
It is a symlink to /usr/lib/x86_64-linux-gnu/dri/./usr/lib/x86_64-linux-gnu/dri/i915_dri.so