On H3 device:
echo 32768 > /proc/sys/net/core/rps_sock_flow_entries
echo 32768 > /sys/class/net/eth0/queues/rx-0/rps_flow_cnt


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 37102 connected to 192.168.83.96 port 5201
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  4]   0.00-1.00   sec   114 MBytes   957 Mbits/sec    0    419 KBytes
[  4]   1.00-2.00   sec   112 MBytes   939 Mbits/sec    0    419 KBytes
[  4]   2.00-3.00   sec   112 MBytes   942 Mbits/sec    0    419 KBytes
[  4]   3.00-4.00   sec   112 MBytes   942 Mbits/sec    0    419 KBytes
[  4]   4.00-5.00   sec   112 MBytes   943 Mbits/sec    0    419 KBytes
[  4]   5.00-6.00   sec   112 MBytes   937 Mbits/sec    0    419 KBytes
[  4]   6.00-7.00   sec   113 MBytes   946 Mbits/sec    0    438 KBytes
[  4]   7.00-8.00   sec   112 MBytes   937 Mbits/sec    0    438 KBytes
[  4]   8.00-9.00   sec   113 MBytes   944 Mbits/sec    0    438 KBytes
[  4]   9.00-10.00  sec   112 MBytes   944 Mbits/sec    0    438 KBytes
[  4]  10.00-11.00  sec   112 MBytes   938 Mbits/sec    0    438 KBytes
[  4]  11.00-12.00  sec   112 MBytes   940 Mbits/sec    0    438 KBytes
[  4]  12.00-13.00  sec   113 MBytes   944 Mbits/sec    0    438 KBytes
[  4]  13.00-14.00  sec   113 MBytes   946 Mbits/sec    0    438 KBytes
[  4]  14.00-15.00  sec   112 MBytes   938 Mbits/sec    0    438 KBytes
[  4]  15.00-16.00  sec   113 MBytes   945 Mbits/sec    0    438 KBytes
[  4]  16.00-17.00  sec   112 MBytes   937 Mbits/sec    0    438 KBytes
[  4]  17.00-18.00  sec   112 MBytes   944 Mbits/sec    0    438 KBytes
[  4]  18.00-19.00  sec   112 MBytes   937 Mbits/sec    0    438 KBytes
[  4]  19.00-20.00  sec   113 MBytes   945 Mbits/sec    0    438 KBytes