/usr/lib/x86_64-linux-gnu/libpsm_infinipath.so is in libpsm-infinipath1-dev 3.3+19.g67c0807.open-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libpsm_infinipath.so.1
/usr/lib/x86_64-linux-gnu/libpsm_infinipath.so.1