/usr/lib/x86_64-linux-gnu/libneon-gnutls.so is in libneon27-gnutls-dev 0.30.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libneon-gnutls.so.27.3.2
/usr/lib/x86_64-linux-gnu/libneon-gnutls.so.27.3.2