Personally I can't see the point in running OpenBSD in a VM.
You are presumably running a more mainstream OS and then tinkering or "playing with" other OS in VMs. It's your choice, but in doing so you're not really seeing the benefits of running an OS like OpenBSD - i.e. you're not discovering whether the OS will actually run on your hardware. You've established that it runs on virtualbox or vmware, but so have others. From my perspective you're just repeatedly testing virtualbox or vmware and the OS running those VMs is your actual OS.
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