/usr/lib/libkwinglutils.so.1abi2 is in libkwinglutils1abi2 4:4.11.13-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkwinglutils.so.1.0.0.abi2
/usr/lib/libkwinglutils.so.1.0.0.abi2