/usr/lib/libkmlbase_swig_java.so is in libkml-java 1.2.0-1ubuntu6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkmlbase_swig_java.so.0.0.0
/usr/lib/libkmlbase_swig_java.so.0.0.0