/usr/lib/x86_64-linux-gnu/libKF5KaddressbookGrantlee.so.5 is in libkf5kaddressbookgrantlee5 4:16.04.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libKF5KaddressbookGrantlee.so.5.2.2