/usr/lib/libopen-pal.so.0.0.0 is in libopenmpi1.3 1.4.3-2.1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/openmpi/lib/libopen-pal.so.0.0.0
/usr/lib/openmpi/lib/libopen-pal.so.0.0.0