/usr/lib/x86_64-linux-gnu/libglog.so is in libgoogle-glog-dev 0.3.4-0.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libglog.so.0.0.0
/usr/lib/x86_64-linux-gnu/libglog.so.0.0.0