apt-get install --reinstall virtualbox-dkms
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 0 B/659 kB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 609389 files and directories currently installed.)
Preparing to unpack .../virtualbox-dkms_5.1.18-dfsg-1_all.deb ...

------------------------------
Deleting module version: 5.1.18
completely from the DKMS tree.
------------------------------
Done.
Unpacking virtualbox-dkms (5.1.18-dfsg-1) over (5.1.18-dfsg-1) ...
Setting up virtualbox-dkms (5.1.18-dfsg-1) ...
Loading new virtualbox-5.1.18 DKMS files...
Building for 4.12.0-kali1-686-pae
Building initial module for 4.12.0-kali1-686-pae
Error! Bad return status for module build on kernel: 4.12.0-kali1-686-pae (i686)
Consult /var/lib/dkms/virtualbox/5.1.18/build/make.log for more information.
Job for virtualbox.service failed because the control process exited with error code.
See "systemctl status virtualbox.service" and "journalctl -xe" for details.
invoke-rc.d: initscript virtualbox, action "restart" failed.
● virtualbox.service - LSB: VirtualBox Linux kernel module
Loaded: loaded (/etc/init.d/virtualbox; generated; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2017-08-25 09:35:45 CST; 6ms ago
Docs: man:systemd-sysv-generator(8)
Process: 7560 ExecStart=/etc/init.d/virtualbox start (code=exited, status=1/FAILURE)

Aug 25 09:35:45 debain systemd[1]: Starting LSB: VirtualBox Linux kernel module...
Aug 25 09:35:45 debain virtualbox[7560]: Loading VirtualBox kernel modules...No suitable module for running kernel found ... failed!
Aug 25 09:35:45 debain virtualbox[7560]: failed!
Aug 25 09:35:45 debain systemd[1]: virtualbox.service: Control process exited, code=exited status=1
Aug 25 09:35:45 debain systemd[1]: Failed to start LSB: VirtualBox Linux kernel module.
Aug 25 09:35:45 debain systemd[1]: virtualbox.service: Unit entered failed state.
Aug 25 09:35:45 debain systemd[1]: virtualbox.service: Failed with result 'exit-code'.