"value": [1580234897.751, "123753625"] // node_network_receive_bytes_total
"value": [1580234898.629, "123753625"]
"value": [1580234899.798, "123753625"]
"value": [1580234900.762, "123754488"] // neuer Scrape hat stattgefunden
"value": [1580234901.743, "123754488"]
