The test randomly fails across the three vms.
https://logs.opendaylight.org/releng/vex-yul-odl-jenkins-1/netvirt-csit-1node-0cmb-1ctl-2cmp-openstack-pike-upstream-stateful-itm-direct-tunnels-oxygen/21/
https://jenkins.opendaylight.org/releng/view/netvirt-csit/job/netvirt-csit-1node-0cmb-1ctl-2cmp-openstack-queens-upstream-stateful-itm-direct-tunnels-fluorine/26/robot/