nice_agent_attach_recv(agent, stream_id, component, context, NULL, data) results in libnice repeatedly and endlessly entering component_io_cb (in a busy loop). I suspect this is due to the fact that if neither a callback is registered nor recv_messages is pending, messages are never read from the socket, and somehow the notification keeps coming again and again (why?).
Migrated to Phabricator: http://phabricator.freedesktop.org/T112
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