Comment 24 for bug 1758243

these two lines is no longer necessary.

alias nvidia_drm off
alias nvidia_modeset off

fixes for drm device handling on systemd c238/239 is backported to systemd 237-3ubuntu10.2 (bug #1777099)
these fixes also help nvidia-xrun to unload nvidia, nvidia_uvm, nvidia_drm, and nvidia_modeset module

https://launchpad.net/ubuntu/bionic/+source/systemd/+changelog