BIER-TE Topology:

   Diagram:

                    p5    p6
                  --- BFR3 ---
               p3/    p13     \p7          p15
   BFR1 ---- BFR2              BFR5 ----- BFR6
      p1   p2  p4\    p14     /p10 p11   p12
                  --- BFR4 ---
                    p8    p9

   (simplified) BIER-TE Bit Index Forwarding Tables (BIFTs):

   BFR1:   p1  -> local_decap()
           p2  -> forward_connected() to BFR2

   BFR2:   p1  -> forward_connected() to BFR1
           p5  -> forward_connected() to BFR3
           p8  -> forward_connected() to BFR4

   BFR3:   p3  -> forward_connected() to BFR2
           p7  -> forward_connected() to BFR5
           p13 -> local_decap()

   BFR4:   p4  -> forward_connected() to BFR2
           p10 -> forward_connected() to BFR5
           p14 -> local_decap()

   BFR5:   p6  -> forward_connected() to BFR3
           p9  -> forward_connected() to BFR4
           p12 -> forward_connected() to BFR6

   BFR6:   p11 -> forward_connected() to BFR5
           p15 -> local_decap()