/usr/lib/x86_64-linux-gnu/libmarco-private.so.0 is in libmarco-private0 1.8.2+dfsg1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmarco-private.so.0.0.0
/usr/lib/x86_64-linux-gnu/libmarco-private.so.0.0.0