I uploaded virtualbox-lts-zesty and tested the hwe 16.04.3 in xenial VM,
installing virtualbox-guest-x11 and or virtualbox-guest-dkms/virtualbox-guest-source works.
Even the embedded kernel module works, so we should be good here.
You can test it on ppa:costamagnagianfranco/locutusofborg-ppa
I uploaded virtualbox- lts-zesty and tested the hwe 16.04.3 in xenial VM, guest-x11 and or virtualbox- guest-dkms/ virtualbox- guest-source works.
installing virtualbox-
Even the embedded kernel module works, so we should be good here.
You can test it on ppa:costamagnag ianfranco/ locutusofborg- ppa