/usr/lib/x86_64-linux-gnu/libnuma.so is in libnuma-dev 2.0.11-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libnuma.so.1.0.0
/usr/lib/x86_64-linux-gnu/libnuma.so.1.0.0