/usr/lib/x86_64-linux-gnu/libraidutil.so.0 is in dpt-i2o-raidutils 0.0.6-22.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libraidutil.so.0.0.0
/usr/lib/x86_64-linux-gnu/libraidutil.so.0.0.0