This file is indexed.

/usr/lib/x86_64-linux-gnu/libUbuntuToolkit.so is in libubuntutoolkit5-gles-dev 1.3.1918+16.04.20160404-0ubuntu3.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libUbuntuToolkit.so.5.5.0