/usr/lib/libhdf5_hl_cpp.so is in libhdf5-serial-dev 1.8.4-patch1-3ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libhdf5_hl_cpp.so.6.0.3
/usr/lib/libhdf5_hl_cpp.so.6.0.3