/usr/lib/x86_64-linux-gnu/libvlc.so is in libvlc-dev 3.0.1-3build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvlc.so.5.6.0
/usr/lib/x86_64-linux-gnu/libvlc.so.5.6.0