Comment 4 for bug 2044973

@Francis

I've confirmed that the DUT has already used the latest ubuntu-drivers from proposed.
Setting up ubuntu-drivers-common (1:0.9.0~0.20.04.8) ...

But it doesn't seem to solve the issue. Please check following messages.

+ _run sudo ubuntu-drivers devices
+ ssh -t -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ubuntu@10.102.153.239 sudo ubuntu-drivers devices
WARNING:root:_pkg_get_support nvidia-driver-525: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-535: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-535-open: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-525-server: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-535-server-open: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-525-open: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-535-server: package has invalid Support PBheader, cannot determine support level
== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00002191sv00001028sd00000949bc03sc00i00
vendor : NVIDIA Corporation
model : TU116M [GeForce GTX 1660 Ti Mobile]
driver : nvidia-driver-450-server - distro non-free
driver : nvidia-driver-525 - distro non-free
driver : nvidia-driver-535 - distro non-free
driver : nvidia-driver-535-open - distro non-free
driver : nvidia-driver-418-server - distro non-free
driver : nvidia-driver-470-server - distro non-free
driver : nvidia-driver-525-server - distro non-free
driver : nvidia-driver-470 - distro non-free
driver : nvidia-driver-535-server-open - distro non-free recommended
driver : nvidia-driver-525-open - distro non-free
driver : nvidia-driver-535-server - distro non-free
driver : xserver-xorg-video-nouveau - distro free builtin

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 linux-modules-nvidia-535-server-open-generic : Depends: linux-modules-nvidia-535-server-open-5.4.0-173-generic (= 5.4.0-173.191) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.