/usr/lib/x86_64-linux-gnu/libRivet.so.11

This file is indexed.

/usr/lib/x86_64-linux-gnu/libRivet.so.11 is in librivet11 1.8.3-1.1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libRivet.so.11.0.1