--L1-----
        BFR1 --L2----- BFR2
             --L3-----

  BIFT entry in BFR1:
  ------------------------------------------------------------------
  | Index |  Adjacencies                                           |
  ==================================================================
  | 0:6   |  ECMP({forward_connected(L1, BFR2),                    |
  |       |        forward_connected(L2, BFR2),                    |
  |       |        forward_connected(L3, BFR2)}, seed)             |
  ------------------------------------------------------------------

  BIFT entry in BFR2:
  ------------------------------------------------------------------
  | Index |  Adjacencies                                           |
  ==================================================================
  | 0:6   |  ECMP({forward_connected(L1, BFR1),                    |
  |       |        forward_connected(L2, BFR1),                    |
  |       |        forward_connected(L3, BFR1)}, seed)             |
  ------------------------------------------------------------------