IPV4 entries not observed in FIB when associating with VPN

1. Create Network1 with Dualstcak VM(One subnet with IPV4 and one more with IPV6).
2. Create two more network(N2 and N3) with IPv4
3. Create L3VPN.
4. Associate N2 and N3 with VPN and check FIB.
5. Associate Router to VPN and check FIB for all dual stack VM.

Observation:

 Dualstack IPv4 entries not observed.

Build Nu Used: karaf-0.8.0-20180207.032618-1406.zip