aufs-tools 1:4.9+20170918-1ubuntu1 / usr / lib / libau.so.2

/usr/lib/libau.so.2 is in aufs-tools 1:4.9+20170918-1ubuntu1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/libau.so.2.10