/usr/lib/x86_64-linux-gnu/libtelepathy-qt5-farstream.so is in libtelepathy-qt5-dev 0.9.6.1-0ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtelepathy-qt5-farstream.so.0