I did an apt-get --reinstall install" for all kernel headers, build- essential, and virtualbox-guest-dksm, -x11, and -utils packages, and that solved the issue. All virtualbox packages from xenial working correctly now. Sorry for the confusion.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1525592 Title: virtualbox guest dkms module fails to build, despite correct kernel headers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1525592/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs