Summed data seems wildly incorrect (bytes_sent in past hour)

InfluxDB 2
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1

I’m using InfluxDB2 on an Ubuntu system to monitor it, stuff like CPU, Mem usage, network stuff, etc. (all collected via the System telegraf plugin). Currently I’m trying to add a cell to my board that shows total outbound traffic in the past hour, but the data makes no sense. This is the code for the query:

import "math"

from(bucket: v.bucket)
  |> range(start: v.timeRangeStart)
  |> filter(fn: (r) => r._measurement == "net")
  |> filter(fn: (r) => r._field == "bytes_sent")
  |> filter(fn: (r) => r["host"] == "engager")
  |> filter(fn: (r) => r["interface"] == "eno2")
  |> sum()
  |> map(fn: (r) => ({
      r with
      _value: r._value / 1073741824
    })
  )

It should return a single value for the total gigabytes sent (hence the division), and when I use 1h for the time window, I get values like 570,000 GB, which is crazy, especially considering the network graph in the same timeframe looks like this:
image

Is there something I’m missing in my query, or did I mess it up somehow? Because there’s no way this value is correct.