/usr/lib/x86_64-linux-gnu/libgudev-1.0.so is in libgudev-1.0-dev 215-17+deb8u7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.2.0
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.2.0