$ waxmill vm-add-framebuffer-device \
  --machine de17174a-1b3c-4ebc-80af-cb239aa18cbd \
  --device-slot 0:4:0 \
  --wait-for-vnc true \
  --width 1024 \
  --height 768 \
  --listen-address [::1] \
  --listen-port 5901 \
  --vga-configuration OFF
