/usr/lib/libgupnp-av-1.0.so is in libgupnp-av-1.0-dev 0.10.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgupnp-av-1.0.so.2.0.0
/usr/lib/libgupnp-av-1.0.so.2.0.0