/usr/lib/x86_64-linux-gnu/libaio.so is in libaio-dev 0.3.110-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libaio.so.1.0.1
/lib/x86_64-linux-gnu/libaio.so.1.0.1