I saw this during an upgrade to Artful. Deleting /var/lib/dkms/virtualbox and /var/lib/dkms/vboxhost, then 'aptitude reinstall virtualbox-dkms' seems to have resolved the problem.
I saw this during an upgrade to Artful. Deleting /var/lib/ dkms/virtualbox and /var/lib/ dkms/vboxhost, then 'aptitude reinstall virtualbox-dkms' seems to have resolved the problem.