/usr/lib/x86_64-linux-gnu/libxml2.so.2 is in libxml2 2.9.4+dfsg1-6.1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4
/usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4