This file is indexed.

/usr/lib/x86_64-linux-gnu/librtmidi.so.2v5 is in librtmidi2v5 2.1.0~ds0-4.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/librtmidi.so.2v5.1.0