/usr/lib/x86_64-linux-gnu/libeigen_conversions.so.0d is in libtf-conversions0d 1.11.9-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libeigen_conversions.so.1.11.9
/usr/lib/x86_64-linux-gnu/libeigen_conversions.so.1.11.9