/usr/lib/x86_64-linux-gnu/libquvi.so.7 is in libquvi7 0.4.1-1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libquvi.so.7.0.1
/usr/lib/x86_64-linux-gnu/libquvi.so.7.0.1