Maciej Lipinski authored Feb 01, 2017 and Grzegorz Daniluk committed Feb 14, 2017

- the connection of rx/tx to PHY was wrong, there was (very likely
  unintentional) a loop between tx and rx of PHY.
- since there is the (intentional) loop between sink and source of
  wrpc, frames sent by WRPC SW (LM32) were looping endlessly.