Topology

VM1 VM2

Compute-node-1 ---------- Compute-node-2
Controller
 
ODL-CLUSTER

Observation

Reboot ODL Cluster and remove the subnet IPv6 From VM, IPv6 address are still available in Flows and FIB entries

Steps to reproduce

1) configure Four VM with different subnet IPv4/IPv6 Address(Via DHCP)
2) configure ipv4/ipv6 subnet address on VM2 and verify traffic from VM2(traffic was working)
3) Verify traffic from VM1
4) Reboot the ODL CLUSTER
5) Remove the hidden IPv6 address from VM2 during reboot

opendaylight-user@root>fib-show
RD Prefix NextHop Label Origin
-------------------------------------------------------------------
1:1 40.1.1.2/32 172.23.108.204 103105 l
1:1 30.1.1.6/32 172.23.108.204 103093 l
1:1 40.1.1.11/32 172.23.108.205 103100 l
1:1 40.1.1.1/32 0.0.0.0 103006 l
1:1 30.1.1.2/32 172.23.108.204 103096 l
1:1 30.1.1.1/32 0.0.0.0 103007 l
1:1 2001:db5:0:2:0:0:0:2255/128 172.23.108.205 103104 s
1:1 40.1.1.6/32 172.23.108.204 103102 l
1:1 30.1.1.11/32 172.23.108.205 103092 l
1:1 2001:db5:0:2:f816:3eff:fee9:c054/128 172.23.108.204 103095 l
1:1 2001:db5:0:3:f816:3eff:fe2d:43bd/128 172.23.108.205 103099 l
1:1 2001:db5:0:2:f816:3eff:fe5e:1ba3/128 172.23.108.204 103094 l
1:1 2001:db5:0:3:f816:3eff:fe83:f89d/128 172.23.108.204 103101 l
1:1 2001:db5:0:3:0:0:0:3333/128 172.23.108.204 103103 s
1:1 2001:db5:0:3:f816:3eff:fecd:f4a4/128 172.23.108.204 103098 l
1:1 2001:db5:0:2::1/128 0.0.0.0 103008 l
1:1 2001:db5:0:3::1/128 0.0.0.0 103009 l
1:1 2001:db5:0:2:f816:3eff:fed1:2ad2/128 172.23.108.205 103091 l
opendaylight-user@root>