RHEL 8 dracut fails with dracut-install: ERROR: installing 'virtio_pci'

Issue

• RHEL 8 dracut fails to add the virtio_pci driver

  [root@r8 ~]# dracut -f --add-drivers virtio_pci
  dracut-install: ERROR: installing 'virtio_pci'
  dracut: FAILED:  /usr/lib/dracut/dracut-install -D /var/tmp/dracut.YjYPfI/initramfs --kerneldir /lib/modules/4.18.0-553.16.1.el8_10.x86_64/ -m virtio_pci
  

• RHEL 8 failing to rebuild the rescue initramfs

  [root@hostname ~]# /usr/lib/kernel/install.d/51-dracut-rescue.install add "$(uname -r)" /boot "/boot/vmlinuz-$(uname -r)"
  \/etc/dracut.conf:add_drivers+="virtio_blk virtio_net virtio_pci virtio_ring virtio"
  
  dracut: WARNING: <key>+=" <values> ": <values> should have surrounding white spaces!
  dracut: WARNING: This will lead to unwanted side effects! Please fix the configuration file.
  
  dracut-install: ERROR: installing 'virtio_pci'
  dracut: FAILED:  /usr/lib/dracut/dracut-install -D /var/tmp/dracut.G8SYsa/initramfs --kerneldir /lib/modules/4.18.0-553.16.1.el8                                        _10.x86_64/ -m virtio_blk virtio_net virtio_pci virtio_ring virtio
  ^C[root@advlprhs02 ~]#  /usr/lib/kernel/install.d/51-dracut-rescue.install add "$(uname -r)" /boot "/boot/vmlinuz-$(uname -r)"
  /etc/dracut.conf:add_drivers+="virtio_blk virtio_net virtio_pci virtio_ring virtio"
  
  dracut: WARNING: <key>+=" <values> ": <values> should have surrounding white spaces!
  dracut: WARNING: This will lead to unwanted side effects! Please fix the configuration file.
  
  dracut-install: ERROR: installing 'virtio_pci'
  dracut: FAILED:  /usr/lib/dracut/dracut-install -D /var/tmp/dracut.ufNxc3/initramfs --kerneldir /lib/modules/4.18.0-553.16.1.el8_10.x86_64/ -m virtio_blk virtio_net virtio_pci virtio_ring virtio