This file is indexed.

/usr/lib/x86_64-linux-gnu/libdlm_lt.so.3 is in libdlm3 4.0.4-3ubuntu1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libdlm_lt.so.3.0