Using Flent 1.3.0 with fping 4.2 on macOS 10.2.6:

I see high ping times (>100 msec in the following report) despite the fact that 
actual ping times (measured by fping during the flent test) are 20-30 msec, and 
none higher that 47 msec. (I am on 7mbps/768kbps DSL, so the 6.95mbps seems 
accurate.)

Here is the data file. 
[tcp_ndown-2019-09-06T074544.888052.Rich_Test.flent.gz](https://github.com/tohojo/flent/files/3583797/tcp_ndown-2019-09-06T074544.888052.Rich_Test.flent.gz)

What other information could I provide? Thanks.

```
bash-3.2$ flent -x -H flent-fremont.bufferbloat.net -t "Rich_Test" 
--te=download_streams=4 tcp_ndown
Started Flent 1.3.0 using Python 2.7.15.
Starting tcp_ndown test. Expected run time: 70 seconds.
Data file written to ./tcp_ndown-2019-09-06T074544.888052.Rich_Test.flent.gz.

Summary of tcp_ndown test run from 2019-09-06 11:45:44.888052
  Title: 'Rich_Test'

                             avg       median          # data pts
 Ping (ms) ICMP   :       104.03       105.00 ms              350
 TCP download avg :         1.71         1.74 Mbits/s         300
 TCP download sum :         6.83         6.95 Mbits/s         300
 TCP download::1  :         1.55         1.56 Mbits/s         281
 TCP download::2  :         1.85         1.83 Mbits/s         282
 TCP download::3  :         1.53         1.54 Mbits/s         282
 TCP download::4  :         1.91         1.90 Mbits/s         287
bash-3.2$
```

```
bash-3.2$ fping --version
fping: Version 4.2
fping: comments to da...@schweikert.ch

bash-3.2$ fping -c 1000 gstatic.com -D
[1567770338.594778] gstatic.com : [0], 84 bytes, 20.7 ms (20.7 avg, 0% loss)
[1567770339.600662] gstatic.com : [1], 84 bytes, 21.7 ms (21.2 avg, 0% loss)
[1567770340.602339] gstatic.com : [2], 84 bytes, 21.5 ms (21.3 avg, 0% loss)
[1567770341.605205] gstatic.com : [3], 84 bytes, 22.2 ms (21.5 avg, 0% loss)
[1567770342.608899] gstatic.com : [4], 84 bytes, 21.0 ms (21.4 avg, 0% loss)
[1567770343.613397] gstatic.com : [5], 84 bytes, 21.4 ms (21.4 avg, 0% loss)
[1567770344.618612] gstatic.com : [6], 84 bytes, 21.5 ms (21.4 avg, 0% loss)
[1567770345.618789] gstatic.com : [7], 84 bytes, 20.8 ms (21.3 avg, 0% loss)
...
```

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