telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - farsight_rtp_stream_stop (2305): stopping media pipeline
telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - unlinking source
telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - waiting for pad to block
telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - pad blocked, unlinking
telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - unblocking source
telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - done unblocking
telepathy-stream-engine[2575]: GLIB DEBUG farsight-rtp - farsight_rtp_stream_stop: Setting state to NULL
telepathy-stream-engine[2623]: GLIB CRITICAL ** GStreamer - gst_mini_object_unref: assertion `mini_object != NULL' failed
aborting...