Bulk Statistics Support

The following are examples of the procedure-level statistics incremented for Heartbeat Request, Heartbeat Response, and Heartbeat Request retry:

nodemgr_up_hb_msg_stats{app_name="smf",cluster="Local",current_nodemgr_id="0",
data_center="DC",instance_id="0",interface_type="SXA",primary_nodemgr_id="0",service_name=
"nodemgr",up_ep_key="209.165.201.5:209.165.201.28",up_msg_type="up_heartbeat_req_retx"} 3
nodemgr_up_hb_msg_stats{app_name="smf",cluster="Local",current_nodemgr_id="0",
data_center="DC",instance_id="0",interface_type="SXA",primary_nodemgr_id="0",service_name=
"nodemgr",up_ep_key="209.165.201.5:209.165.201.28",up_msg_type="up_heartbeat_req_tx"} 5
nodemgr_up_hb_msg_stats{app_name="smf",cluster="Local",current_nodemgr_id="0",
data_center="DC",instance_id="0",interface_type="SXA",primary_nodemgr_id="0",service_name=
"nodemgr",up_ep_key="209.165.201.5:209.165.201.28",up_msg_type="up_heartbeat_rsp_rx"} 5