Statistics exposed by the sc_shm_broadcast and sc_shm_import nodes.

Name	Type	Data Type	Description
pkts_dropped	uint64_t	pkt_count	The number of packets dropped by the node.
wake_msgs	uint64_t	ev_count	The number of wake messages.
sleep_notifies	uint64_t	ev_count	The number of sleep notifications.
pkts_in_flight	uint64_t	pkt_count	The number of packets in flight.
reliable_pkts_in_flight	uint64_t	pkt_count	The number of packets in flight in reliable mode.