> openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libvlccore.so.9", O_RDONLY|O_CLOEXEC) = 3
This is not the one from the package. You have another vlc installation that messes everything up.
> openat(AT_FDCWD, "/lib/x86_ 64-linux- gnu/libvlccore. so.9", O_RDONLY|O_CLOEXEC) = 3
This is not the one from the package. You have another vlc installation that messes everything up.