/usr/lib/x86_64-linux-gnu/libtelepathy-farstream-0.4.so is in libtelepathy-farstream-0.4-dev 0.4.0-3ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtelepathy-farstream.so.2.0.1