Provides a data model for returning system monitor data.
rpcs: +---x show-system-monitor +--ro output +--ro switch-status* +--ro switch-name? string +--ro switch-ip? inet:ip-address +--ro report-time? ietfyang:date-and-time +--ro switch-state? system-monitor-health-state-enum +--ro switch-state-reason? string +--ro component-status* | +--ro component-name? string | +--ro component-state? system-monitor-health-state-enum +--ro port-status* +--ro port-area? uint32 +--ro port-name? string +--ro port-state? system-monitor-port-state-enum