/usr/lib/x86_64-linux-gnu/librabbitmq.so is in librabbitmq-dev 0.8.0-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/librabbitmq.so.4
/usr/lib/x86_64-linux-gnu/librabbitmq.so.4