[ ok ] Stopping VirtualBox kernel modules:.
[ ok ] Uninstalling old VirtualBox DKMS kernel modules:.
[....] Trying to register the VirtualBox kernel modules using DKMS:Error! Bad return status for module build on kernel: 3.16.0-4-686-pae (i686)
Consult /var/lib/dkms/vboxhost/4.1.44/build/make.log for more information.

[FAIL] Failed, trying without DKMS ... failed!
[....] Recompiling VirtualBox kernel modules:
[FAIL] Look at /var/log/vbox-install.log to find out what went wrong ... failed!