/usr/lib/x86_64-linux-gnu/libbtf.so.1

This file is indexed.

/usr/lib/x86_64-linux-gnu/libbtf.so.1 is in libbtf1 1:5.1.2-2.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libbtf.so.1.2.6