This file is indexed.

/usr/lib/x86_64-linux-gnu/libevent.so is in libevent-dev 2.0.21-stable-2+deb8u1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5.1.9