/usr/ is in libegl1-mesa-lts-trusty 10.1.3-0ubuntu0.2~precise2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/mesa-egl/
/usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1.0.0
/usr/lib/x86_64-linux-gnu/mesa-egl/ld.so.conf
/usr/share/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libegl1-mesa-lts-trusty
/usr/share/bug/
/usr/share/bug/libegl1-mesa-lts-trusty/
/usr/share/bug/libegl1-mesa-lts-trusty/control
/usr/share/bug/libegl1-mesa-lts-trusty/script
/usr/share/doc/
/usr/share/doc/libegl1-mesa-lts-trusty/
/usr/share/doc/libegl1-mesa-lts-trusty/copyright
/usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
/usr/share/doc/libegl1-mesa-lts-trusty/changelog.Debian.gz