Comment 8 for bug 1904583

Tested on a Dell G7 laptop in Groovy:

:~$ apt-cache policy nvidia-prime
nvidia-prime:
  Installed: 0.8.15.3~0.20.10.1
  Candidate: 0.8.15.3~0.20.10.1
  Version table:
 *** 0.8.15.3~0.20.10.1 100
        100 /var/lib/dpkg/status
     0.8.15 500
        500 http://it.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
        500 http://it.archive.ubuntu.com/ubuntu groovy/main i386 Packages

:~$ apt-cache policy ubuntu-drivers-common
ubuntu-drivers-common:
  Installed: 1:0.8.6.3~0.20.10.1
  Candidate: 1:0.8.6.3~0.20.10.1
  Version table:
 *** 1:0.8.6.3~0.20.10.1 100
        100 /var/lib/dpkg/status
     1:0.8.6.2 500
        500 http://it.archive.ubuntu.com/ubuntu groovy-updates/main amd64 Packages
     1:0.8.6.1 500
        500 http://it.archive.ubuntu.com/ubuntu groovy/main amd64 Packages