Comment 1 for bug 1450604

On existing Neutron patches, a comment of 'check experimental' will lead to the execution of the multi-node CI for DVR. As this graph shows:

http://graphite.openstack.org/render/?from=-10days&height=500&until=now&width=1200&bgcolor=ffffff&fgcolor=000000&yMax=100&yMin=0&target=color(alias(movingAverage(asPercent(stats.zuul.pipeline.check.job.check-tempest-dsvm-neutron-dvr.FAILURE,sum(stats.zuul.pipeline.check.job.check-tempest-dsvm-neutron-dvr.{SUCCESS,FAILURE})),%2736hours%27),%20%27check-tempest-dsvm-neutron-dvr%27),%27orange%27)&target=color(alias(movingAverage(asPercent(stats.zuul.pipeline.experimental.job.check-tempest-dsvm-neutron-multinode-full.FAILURE,sum(stats.zuul.pipeline.experimental.job.check-tempest-dsvm-neutron-multinode-full.{SUCCESS,FAILURE})),%2736hours%27),%20%27check-tempest-dsvm-neutron-multinode-full%27),%27blue%27)

The failure rate for the multi-node job is pretty lousy.