This works for me, however, instead of looking for the device `TPPS/2 Elan Trackpoint`, I had to use the id of `TrackPoint Keyboard 2`. The downside of this fix is that pasting with the middle button does not work anymore.
M. Musolesi, и C. Mascolo. Proceedings of the 2nd international workshop on Multi-hop ad hoc networks: from theory to reality, стр. 31--38. ACM, (2006)