/usr/lib/libosgEarthFeatures.so.2 is in libosgearthfeatures2 2.4.0+dfsg-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libosgEarthFeatures.so.2.4.0
/usr/lib/libosgEarthFeatures.so.2.4.0