You can netboot in less than that, about 1.5 GB, but you need to tiptoe around https://bugs.launchpad.net/cloud-init/+bug/1937319 by adding cloud-config-url=/dev/null to the kernel command line.
You can netboot in less than that, about 1.5 GB, but you need to tiptoe around https:/ /bugs.launchpad .net/cloud- init/+bug/ 1937319 by adding cloud-config- url=/dev/ null to the kernel command line.