/usr/lib/libpmpich-p4mpd++.so.1.0 is in libmpich-mpd1.0gf 1.2.7-10ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/mpich-mpd/lib/shared/libpmpich-p4mpd++.so.1.0
/usr/lib/mpich-mpd/lib/shared/libpmpich-p4mpd++.so.1.0