/usr/lib/x86_64-linux-gnu/librevenge-generators-0.0.so.0 is in librevenge-0.0-0 0.0.4-4ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/librevenge-generators-0.0.so.0.0.4