Topology

VM1 VM2

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

Observation

Traffic is not flowing after Exception occurred

Steps to reproduce

1) configure two 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

Logs

opendaylight-user@root>exception-display
java.lang.Exception: [Failed to associate networks with VPN 34290f3e-c9ee-42ab-a49a-08064d23b111 as given networks list is empty]
at org.opendaylight.netvirt.neutronvpn.NeutronvpnManager.createVpn(NeutronvpnManager.java:1199) [354:org.opendaylight.netvirt.neutronvpn-impl:0.7.0.SNAPSHOT]
at org.opendaylight.netvirt.neutronvpn.NeutronBgpvpnChangeListener.add(NeutronBgpvpnChangeListener.java:153) [354:org.opendaylight.netvirt.neutronvpn-impl:0.7.0.SNAPSHOT]
at org.opendaylight.netvirt.neutronvpn.NeutronBgpvpnChangeListener.add(NeutronBgpvpnChangeListener.java:44) [354:org.opendaylight.netvirt.neutronvpn-impl:0.7.0.SNAPSHOT]
at org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase$DataTreeChangeHandler.run(AsyncDataTreeChangeListenerBase.java:171) [256:org.opendaylight.genius.mdsalutil-api:0.5.0.SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
at java.lang.Thread.run(Thread.java:748) [?:?]

opendaylight-user@root>l3vpn-config-show
Error executing command: java.lang.NullPointerException
opendaylight-user@root>fib-show
RD Prefix NextHop Label Origin
-------------------------------------------------------------------
1:1 40.1.1.3/32 172.23.108.204 100030 l
1:1 2001:db5:0:2:0:0:0:2424/128 172.23.108.205 100038 s ----> Newly Configured Subnet IP
1:1 40.1.1.1/32 0.0.0.0 100025 l
1:1 2001:db5:0:2:f816:3eff:feb6:c741/128 172.23.108.204 100034 l
1:1 30.1.1.6/32 172.23.108.205 100036 l
1:1 30.1.1.2/32 172.23.108.204 100032 l
1:1 30.1.1.1/32 0.0.0.0 100018 l
1:1 2001:db5:0:3::/64 172.23.108.204 100016 c
1:1 30.1.1.10/32 172.23.108.204 100035 l
1:1 40.1.1.0/24 172.23.108.204 100017 c
1:1 30.1.1.0/24 172.23.108.204 100014 c
1:1 2001:db5:0:2:f816:3eff:fe70:7155/128 172.23.108.205 100037 l
1:1 2001:db5:0:2::1/128 0.0.0.0 100019 l
1:1 2001:db5:0:2:f816:3eff:fe60:7174/128 172.23.108.204 100033 l
1:1 2001:db5:0:3:f816:3eff:fe82:5a0e/128 172.23.108.204 100031 l
1:1 2001:db5:0:3::1/128 0.0.0.0 100024 l
1:1 2001:db5:0:2::/64 172.23.108.204 100015 c
opendaylight-user@root>
opendaylight-user@root>