vboxnetwork KVM VirtualBox testing on CentOS Linux 7 via the Phoronix Test Suite. vboxnetworkconfig: Processor: Intel Core i5-6600K @ 3.50GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 21GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: CentOS Linux 7, Kernel: 3.10.0-693.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 256 bits), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM VirtualBox iPerf 3.1.3 Server Address: 192.168.1.14 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better vboxnetworkconfig . 2980 |===================================================== iPerf 3.1.3 Server Address: 192.168.1.14 - Server Port: 5201 - Duration: 30 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better vboxnetworkconfig . 2983 |===================================================== iPerf 3.1.3 Server Address: 192.168.1.14 - Server Port: 5201 - Duration: 60 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better vboxnetworkconfig . 3011 |===================================================== iPerf 3.1.3 Server Address: 192.168.1.14 - Server Port: 5201 - Duration: 360 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better vboxnetworkconfig . 3031 |=====================================================