/usr/lib/x86_64-linux-gnu/libQt5Feedback.so.5 is in libqt5feedback5 5.0~git20130529-0ubuntu13.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libQt5Feedback.so.5.0.0
/usr/lib/x86_64-linux-gnu/libQt5Feedback.so.5.0.0