test network low performance Oracle VirtualBox testing on ALT 10.4 via the Phoronix Test Suite. Intel 82540EM: Processor: Intel Core i3-8145U (2 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 21GB VBOX HDD, Graphics: llvmpipe, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM OS: ALT 10.4, Kernel: 6.1.115-un-def-alt1 (x86_64), Display Server: X Server 1.20.14, OpenGL: 4.5 Mesa 23.1.9 (LLVM 15.0.7 256 bits), Compiler: GCC 10.3.1 20210703, File-System: ext4, Screen Resolution: 1920x946, System Layer: Oracle VirtualBox speedtest-cli 2.1.3 Internet Download Speed Mbit/s > Higher Is Better Intel 82540EM . 14.33 |======================================================== speedtest-cli 2.1.3 Internet Upload Speed Mbit/s > Higher Is Better Intel 82540EM . 10.22 |======================================================== speedtest-cli 2.1.3 Internet Latency ms < Lower Is Better Intel 82540EM . 777.63 |=======================================================