FWIW, as per fwereade I've tried removing any trace of the busted subordinate and restarting both the machine-0 agent and the unit-infra-0 agent, neither seemed to help.
FWIW, as per fwereade I've tried removing any trace of the busted subordinate and restarting both the machine-0 agent and the unit-infra-0 agent, neither seemed to help.