grep CONFIG_VIRTIO /boot/config-$(uname -r)
grep CONFIG_VIRTIO /boot/config-$(uname -r) | grep =y
lsinitrd /boot/initrd-$(uname -r) | grep virtio

vi /etc/dracut.conf.d/virtio-drivers.conf

add_drivers+=" virtio virtio_pci virtio_blk virtio_net virtio_ring virtio_scsi "

dracut -f /boot/initrd-$(uname -r) > /tmp/dracut.log 2>&1

lsinitrd /boot/initrd-$(uname -r) | grep virtio

https://pve.proxmox.com/wiki/Paravirtualized_Drivers_for_Linux