/usr/lib/x86_64-linux-gnu/libnfnetlink.so.0 is in libnfnetlink0 1.0.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libnfnetlink.so.0.2.0
/usr/lib/x86_64-linux-gnu/libnfnetlink.so.0.2.0