[ubuntu] "VirtualBox kernel modules" on Xenial Xerus failed

Code:

Reading package lists... Done
Building dependency tree        
Reading state information... Done
Reading state information... Done


Oracle VM VirtualBox
 VirtualBox is a powerful PC virtualization solution allowing you to run a
 wide range of PC operating systems on your Linux system. This includes
 Windows, Linux, FreeBSD, DOS, OpenBSD and others. VirtualBox comes with a broad
 feature set and excellent performance, making it the premier virtualization
 software solution on the market.
Do you want to install the software package? [y/N]:y
Selecting previously unselected package virtualbox-5.0.
(Reading database ... 384862 files and directories currently installed.)
Preparing to unpack virtualbox-5.0_5.0.20-106931~Ubuntu~xenial_amd64.deb ...
Unpacking virtualbox-5.0 (5.0.20-106931~Ubuntu~xenial) ...
Setting up virtualbox-5.0 (5.0.20-106931~Ubuntu~xenial) ...
Adding group `vboxusers' (GID 129) ...
Done.
Stopping VirtualBox keel modules ...done.
Uninstalling old VirtualBox DKMS keel modules ...done.
Trying to register the VirtualBox keel modules using DKMS ...done.
Starting VirtualBox keel modules ...failed!
  (modprobe vboxdrv failed. Please use 'dmesg' to find out why)
Processing triggers for systemd (229-4ubuntu6) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for shared-mime-info (1.5-2) ...
Unknown media type in type 'all/all'
Unknown media type in type 'all/allfiles'
Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20160523-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for gnome-menus (3.13.3-6ubuntu3) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5) ...
Processing triggers for mime-support (3.59ubuntu1) ...

Code:

$ virtualbox
WARNING: The vboxdrv keel module is not loaded. Either there is no module
         available for the current keel (4.4.0-22-generic) or it failed to
         load. Please recompile the keel module and install it by


           sudo /sbin/rcvboxdrv setup


         You will not be able to start VMs until this problem is fixed.
$ sudo /sbin/rcvboxdrv setup
Stopping VirtualBox keel modules ...done.
Uninstalling old VirtualBox DKMS keel modules ...done.
Trying to register the VirtualBox keel modules using DKMS ...done.
Starting VirtualBox keel modules ...failed!
  (modprobe vboxdrv failed. Please use 'dmesg' to find out why)