/usr/lib/x86_64-linux-gnu/libvamp-sdk.so.2 is in libvamp-sdk2 2.5+repack0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvamp-sdk.so.2.5.0
/usr/lib/x86_64-linux-gnu/libvamp-sdk.so.2.5.0