Probes not picking up on neutron ovs agent issues on compute

[ihavegerms]

ticket reference: https://core.rackspace.com/py/ticket/view.pt?ref_no=141126-10804
issue reference: rcbops/chef-cookbooks#942

Like Jordan mentioned in the issue referenced above, it seems the direct consumer queue is dropped and does not return until the neutron-plugin-openvswitch-agent is restarted. In Digi's environment, this is causing the following message to scroll in console logs during builds;

Waiting for RackSpace Nova automation to update /etc/hostname
Waiting for RackSpace Nova automation to update /etc/hostname
Waiting for RackSpace Nova automation to update /etc/hostname
Waiting for RackSpace Nova automation to update /etc/hostname

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Jordan mentioned that we could possibly use a file monitor via Nimbus looking for 404s...