/usr/lib/x86_64-linux-gnu/libglobus_rsl.so is in libglobus-rsl-dev 10.10-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libglobus_rsl.so.2.8.10
/usr/lib/x86_64-linux-gnu/libglobus_rsl.so.2.8.10