This file is indexed.

/usr/lib/x86_64-linux-gnu/libu2f-server.so is in libu2f-server-dev 1.0.1-3+b1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libu2f-server.so.0.0.3