https://blogs.oracle.com/linux/post/virtioblk-using-iothread-vq-mapping
@bund69 proxmox tests:
args: -object iothread,id=iothread0 -object iothread,id=iothread1 -object iothread,id=iothread2 -object iothread,id=iothread3 -object iothread,id=iothread4 -object iothread,id=iothread5 -object...