The ironic agent_ssh jobs are used by the gate and we want to track when
this error occurs for the agent_ssh jobs.
Change-Id: I41128f5acc1ed831ab0bbe656c8ef7ccf6271fea
These jobs are failing for different reasons than this bug, which
are not discernible by ER, and should be omitted from this query.
Change-Id: Ibd78c9d93a3eb4e2031e6fc08ed5b1c6cdd5c7aa
Matt Riedemann