Description
=====================
Flow is not getting installed for second DC-GW, when both the DC-GWs are in same vpn.

Steps to repro
====================
1)Do the basic configuration for all the CSS.
2)Form bgp neighborship between DC-GW1 and CSC.
3)Also form bgp neighborship between DC-GW2 and CSC.
4)Create mpls-over-gre tunnel for both.
5)Check the flows in the CSS, table21 should have an entry for both DC-GW1 and DC-GW2.

Logs attached

Current output
=======================================
20.1.1.0 corresponds to DC-GW1 while 30.1.1.0 corresponds to DC-GW2 and 40.1.1.0 corresponds to outside network.
Flow is not present fot 30.1.1.0
root@Ubuntu-97:~# flows | grep table=21,
cookie=0x8000003, duration=143.511s, table=21, n_packets=0, n_bytes=0, priority=42,icmp,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.1,icmp_type=8,icmp_code=0 actions=move:NXM_OF_ETH_SRC[]>NXM_OF_ETH_DST[],set_field:fa:16:3e:5e:3c:68>eth_src,move:NXM_OF_IP_SRC[]>NXM_OF_IP_DST[],set_field:10.10.1.1>ip_src,set_field:0->icmp_type,load:0->NXM_OF_IN_PORT[],resubmit(,21)
cookie=0x8000003, duration=142.634s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.5 actions=set_field:0x186ae->tun_id,set_field:fa:16:3e:6e:73:11->eth_dst,load:0x600->NXM_NX_REG6[],resubmit(,220)
cookie=0x8000003, duration=142.283s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.6 actions=set_field:0x186b2->tun_id,set_field:fa:16:3e:de:ec:59->eth_dst,load:0x600->NXM_NX_REG6[],resubmit(,220)
cookie=0x8000003, duration=142.233s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.7 actions=set_field:0x186b3->tun_id,set_field:fa:16:3e:6b:1a:d1->eth_dst,load:0x600->NXM_NX_REG6[],resubmit(,220)
cookie=0x8000003, duration=140.654s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.3 actions=group:150008
cookie=0x8000003, duration=140.554s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.2 actions=group:150009
cookie=0x8000003, duration=140.370s, table=21, n_packets=0, n_bytes=0, priority=42,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.4 actions=group:150010
cookie=0x8000003, duration=148.267s, table=21, n_packets=0, n_bytes=0, priority=34,ip,metadata=0x30d56/0xfffffe,nw_dst=40.1.1.0/24 actions=push_mpls:0x8847,set_field:786431->mpls_label,load:0->NXM_OF_IN_PORT[],load:0x800->NXM_NX_REG6[],resubmit(,220)
cookie=0x8000003, duration=148.267s, table=21, n_packets=0, n_bytes=0, priority=34,ip,metadata=0x30d56/0xfffffe,nw_dst=10.10.1.0/24 actions=write_metadata:0x1389030d56/0xfffffffffe,goto_table:22
cookie=0x8000003, duration=148.267s, table=21, n_packets=10, n_bytes=980, priority=34,ip,metadata=0x30d56/0xfffffe,nw_dst=20.1.1.0/24 actions=push_mpls:0x8847,set_field:786433->mpls_label,load:0->NXM_OF_IN_PORT[],load:0x800->NXM_NX_REG6[],resubmit(,220)
root@Ubuntu-97:~#