Lots of exceptions thrown while executing multi_vpn_bgp suite
Logs:
https://logs.opendaylight.org/sandbox/vex-yul-odl-jenkins-2/JP-netvirt-csit-1node-0cmb-1ctl-2cmp-openstack-queens-gate-tdd-wip-neon/1/robot-plugin/log_05_multi_vpn_bgp.html.gz