If you get VERR_NEM_VM_CREATE_FAILED when starting a virtual machine in Oracle VirtualBox, reboot the host system and if that doesn't work, check out these solutions.

You may get VirtualBox failed to open/create the internal network when you start a VM on Windows. The suggestions in this post are sure to help you.

Install Kickstart Install Congratulations, you now have PXE enabled with VirtualBox. Remember, for every VM you need PXE booting enabled, you must create the .pxe symlink.

In this How to Make Tech Work tutorial, Jack Wallen shows how to create a Docker volume that can be used for any number of containers.