Comment 26 for bug 1681566

I installed dkms from zesty-proposed and then upgraded from Y to Z.

bdmurray@clean-yakkety-amd64:~$ do-release-upgrade -d
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [836 B]
Get:2 Upgrade tool [1,268 kB]
Fetched 1,269 kB in 0s (0 B/s)
authenticate 'zesty.tar.gz' against 'zesty.tar.gz.gpg'
extracting 'zesty.tar.gz'
[screen is terminating]
bdmurray@clean-yakkety-amd64:~$ dkms status
virtualbox, 5.1.18, 4.10.0-19-generic, x86_64: installed
virtualbox, 5.1.18, 4.8.0-46-generic, x86_64: installed
bdmurray@clean-yakkety-amd64:~$ grep "Building for" /var/log/dist-upgrade/apt-term.log
Building for 4.8.0-46-generic 4.10.0-19-generic
bdmurray@clean-yakkety-amd64:~$ apt-cache policy dkms
dkms:
  Installed: 2.3-3ubuntu1
  Candidate: 2.3-3ubuntu1
  Version table:
 *** 2.3-3ubuntu1 100
        100 /var/lib/dpkg/status
     2.3-3 500
        500 http://192.168.10.7/ubuntu zesty/main amd64 Packages
        500 http://192.168.10.7/ubuntu zesty/main i386 Packages