/usr/lib/x86_64-linux-gnu/libtelepathy-farstream.so is in libtelepathy-farstream-dev 0.6.2-1+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtelepathy-farstream.so.3.0.1