tk@armbian:~$ iperf3 -c 192.168.83.96 -t20 -Z
Connecting to host 192.168.83.96, port 5201
[  4] local 192.168.83.115 port 37098 connected to 192.168.83.96 port 5201
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  4]   0.00-1.00   sec   114 MBytes   954 Mbits/sec    0    346 KBytes
[  4]   1.00-2.00   sec   112 MBytes   940 Mbits/sec    0    417 KBytes
[  4]   2.00-3.00   sec   106 MBytes   892 Mbits/sec  139    137 KBytes
[  4]   3.00-4.00   sec   112 MBytes   944 Mbits/sec    0    345 KBytes
[  4]   4.00-5.00   sec   105 MBytes   881 Mbits/sec   74    272 KBytes
[  4]   5.00-6.00   sec   111 MBytes   933 Mbits/sec    0    346 KBytes
[  4]   6.00-7.00   sec   105 MBytes   881 Mbits/sec  112    344 KBytes
[  4]   7.00-8.00   sec   112 MBytes   944 Mbits/sec    0    351 KBytes
[  4]   8.00-9.00   sec   104 MBytes   870 Mbits/sec   95    305 KBytes
[  4]   9.00-10.00  sec   109 MBytes   912 Mbits/sec    0    362 KBytes
[  4]  10.00-11.00  sec   112 MBytes   944 Mbits/sec    0    362 KBytes
[  4]  11.00-12.00  sec   111 MBytes   933 Mbits/sec    0    375 KBytes
[  4]  12.00-13.00  sec   109 MBytes   912 Mbits/sec    0    395 KBytes
[  4]  13.00-14.00  sec   108 MBytes   902 Mbits/sec   87    218 KBytes
[  4]  14.00-15.00  sec   108 MBytes   902 Mbits/sec    0    354 KBytes
[  4]  15.00-16.00  sec   102 MBytes   860 Mbits/sec   78    192 KBytes
[  4]  16.00-17.00  sec   112 MBytes   944 Mbits/sec    0    345 KBytes
[  4]  17.00-18.00  sec   110 MBytes   923 Mbits/sec    0    365 KBytes
[  4]  18.00-19.00  sec   105 MBytes   881 Mbits/sec   43    150 KBytes
[  4]  19.00-20.00  sec   111 MBytes   933 Mbits/sec    0    346 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-20.00  sec  2.13 GBytes   914 Mbits/sec  628             sender
[  4]   0.00-20.00  sec  2.13 GBytes   913 Mbits/sec                  receiver