~$ pquery "node_network_receive_bytes_total{instance='node1'}[2m]" \
  | jq .data.result[].values
[
  [1580359084.871, "165730883"],
  [1580359099.872, "165736304"],
  [1580359114.872, "165737125"],
  [1580359129.872, "165737946"],
  [1580359144.871, "165738767"],
  [1580359159.871, "165739630"],
  [1580359174.871, "165740451"],
  [1580359189.872, "165741272"]
]
