vhost-net 虚拟机启动参数: qemu-system-x86_64 -hda Linux -enable-kvm -m 2048 -smp 2 -machine q35 -netdev tap,script=no,downscript=no,vhost=on,id=mynet -device virtio-net-pci,netdev=mynet 虚拟机中运行: iperf3 -s 宿主机中运行: $iperf3 -c 192.168.220.180Connecting to host 192.168....