/usr/lib/x86_64-linux-gnu/librabbitmq.so.1 is in librabbitmq1 0.5.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/librabbitmq.so.1.2.2
/usr/lib/x86_64-linux-gnu/librabbitmq.so.1.2.2