However, on using apt-get to install virtual box we get the following warning/errors:
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[6276452.873981] vboxdrv: module verification failed: signature and/or required key missing - tainting kernel
[6276452.882765] vboxdrv: Found 288 processor cores
[6276452.885176] VBoxDrv: Too many CPUs (288) for the GIP (max 256)
Host OS : Ubuntu 16.04
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$ uname -a
Linux enigma 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS"
{edit: added host OS details}