[$] Faster kernel testing with virtme-ng

Building new kernels and booting into them is an unavoidable—and
time-consuming—part of kernel development. Andrea Righi works for
Canonical on the Ubuntu kernel team, so he does a lot of that and wanted to
find a way to speed up the task. To that end, he has been working
on virtme-ng, which is a
way to boot a new kernel in a virtual machine, and it does
so quickly. He came to the 2023
Linux Plumbers Conference (LPC) in Richmond, Virginia to introduce the
project to a wider audience.