/usr/lib/x86_64-linux-gnu/libavresample.so.3 is in libavresample3 7:3.4.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libavresample.so.3.7.0
/usr/lib/x86_64-linux-gnu/libavresample.so.3.7.0