/usr/lib/x86_64-linux-gnu/libtf_conversions.so is in libtf-conversions-dev 1.11.8-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtf_conversions.so.0d
/usr/lib/x86_64-linux-gnu/libtf_conversions.so.0d