/usr/lib/libopen-rte.so.4.0.3 is in libopenmpi1.6 1.6.5-9.1+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/openmpi/lib/libopen-rte.so.4.0.3
/usr/lib/openmpi/lib/libopen-rte.so.4.0.3