libupnp6 1:1.6.17-1.2 / usr / lib / x86_64-linux-gnu / libthreadutil.so.6

/usr/lib/x86_64-linux-gnu/libthreadutil.so.6 is in libupnp6 1:1.6.17-1.2.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libthreadutil.so.6.0.2