/usr/lib/x86_64-linux-gnu/libfabric.so is in libfabric-dev 1.5.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libfabric.so.1.9.3
/usr/lib/x86_64-linux-gnu/libfabric.so.1.9.3