/usr/lib/x86_64-linux-gnu/libgstdataprotocol-0.10.so.0 is in libgstreamer0.10-0 0.10.36-1.2ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgstdataprotocol-0.10.so.0.30.0