/usr/lib/x86_64-linux-gnu/libedataserver-1.2.so.21 is in libedataserver-1.2-21 3.18.5-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libedataserver-1.2.so.21.0.0
/usr/lib/x86_64-linux-gnu/libedataserver-1.2.so.21.0.0