/usr/lib/x86_64-linux-gnu/libvirt-glib-1.0.so is in libvirt-glib-1.0-dev 0.2.2-0.1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvirt-glib-1.0.so.0.2.2
/usr/lib/x86_64-linux-gnu/libvirt-glib-1.0.so.0.2.2