Simple iperf3:   Model type: virtio-net From guest to host: ./iperf3 -c 192.168.2.1 Connecting to host 192.168.2.1, port 5201 [  4] local 192.168.2.2 port 49572 connected to 192.168.2.1 port 5201 [ ID] Interval           Transfer     Bandwidth [  4]   0.00-1.00   sec  73.7 MBytes   618 Mbits/sec                   [  4]   1.00-2.00   sec  70.5 MBytes   592 Mbits/sec                   [  4]   2.00-3.00   sec  63.0 MBytes   528 Mbits/sec                   [  4]   3