iperf3 & iperf2 only run for 1 second and gives incorrect readings.

[ironfoot]

Hi,

I noticed iperf2 and iperf3 run only for one second and give incorrect bandwidth value when compared to the server. I found the flaw in latest version of android app 0.6.4 on android 7.1.1
At one point app gave me bandwidth value of 2 Gb/s which is impossible with my access point.

Thanks.