/usr/lib/x86_64-linux-gnu/libtelepathy-qt4-farstream.so.2 is in libtelepathy-qt4-farstream2 0.9.4+dfsg-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtelepathy-qt4-farstream.so.2.0.9.4