Associating more than one router with VPN is not working

this is a feature that is not yet supported.
A patch has been done within the scope of dual stack in the context of two router setup.

more in [0]

[0] https://git.opendaylight.org/gerrit/#/c/62917/2/vpnservice/neutronvpn/neutronvpn-impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronvpnManager.java@2099

Attachment logs.tar.gz has been added with description: Logs attached