Если в качестве гостя используется debian 9 то:
xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192
Virtual-0 connected 1024x768+0+0 0mm x 0mm
1024x768 59.92*+
1920x1200 59.88
1920x1080 59.96
1600x1200 59.87
1680x1050 59.95
1400x1050 59.98
1280x1024 59.89
1440x900 59.89
1280x960 59.94
1280x854 59.89
1280x800 59.81
1280x720 59.86
1152x768 59.78
800x600 59.86
848x480 59.66
720x480 59.71
640x480 59.38
Virtual-1 disconnected
Virtual-2 disconnected
Virtual-3 disconnected
sudo lshw -c video
*-display
description: VGA compatible controller
product: QXL paravirtual graphic card
vendor: Red Hat, Inc.
physical id: 2
bus info: pci@0000:00:02.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: vga_controller rom
configuration: driver=qxl latency=0
resources: irq:11 memory:f4000000-f7ffffff memory:f8000000-fbffffff memory:fc054000-fc055fff ioport:c080(size=32) memory:c0000-dffff
sudo lsmod | grep qxl
[sudo] password for test:
qxl 69632 3
ttm 98304 1 qxl
drm_kms_helper 155648 1 qxl
drm 360448 6 qxl,ttm,drm_kms_helper
xrandr
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
qxl-0 connected 1366x768+0+0 0mm x 0mm
1024x768 60.00 +
4096x2160 60.00
3840x2160 60.00
3200x2400 60.00
2800x2100 60.00
2560x2048 60.00
2048x2048 60.00
2560x1600 60.00
2000x2000 60.00
2560x1440 60.00
2048x1536 60.00
1920x1440 60.00
1920x1200 60.00
1920x1080 60.00
1600x1200 60.00
1680x1050 60.00
1400x1050 60.00
1600x900 60.00
1280x1024 60.00
1440x900 60.00
1280x960 60.00
1366x768 60.00*
1360x768 60.00
1280x800 60.00
1152x870 60.00
1152x864 60.00
1280x768 60.00
1280x760 60.00
1280x720 60.00
1024x600 60.00
960x640 60.00
832x624 60.00
800x600 60.00
800x480 60.00
640x480 60.00
qxl-1 disconnected
qxl-2 disconnected
qxl-3 disconnected
p.s. Решилось костылем через cvt.