AGENT_MSG_TYPE_PING  504 opal/mca/btl/usnic/btl_usnic_cagent.c     case AGENT_MSG_TYPE_PING:
AGENT_MSG_TYPE_PING  899 opal/mca/btl/usnic/btl_usnic_cagent.c         msg->message_type = AGENT_MSG_TYPE_PING;