This bug was fixed in the package virtualbox - 5.1.38-dfsg-0ubuntu1.16.04.3
--------------- virtualbox (5.1.38-dfsg-0ubuntu1.16.04.3) xenial; urgency=medium
* debian/patches/fix-compile-for-xenial-kernel.patch - Fix for LP: #1818049 (virtualbox dkms modules fail to build with linux 4.4.0-143.169)
-- Kleber Sacilotto de Souza <email address hidden> Thu, 28 Feb 2019 12:52:28 +0100
This bug was fixed in the package virtualbox - 5.1.38- dfsg-0ubuntu1. 16.04.3
--------------- dfsg-0ubuntu1. 16.04.3) xenial; urgency=medium
virtualbox (5.1.38-
* debian/ patches/ fix-compile- for-xenial- kernel. patch
- Fix for LP: #1818049 (virtualbox dkms modules fail to build with
linux 4.4.0-143.169)
-- Kleber Sacilotto de Souza <email address hidden> Thu, 28 Feb 2019 12:52:28 +0100