This bug was fixed in the package initramfs-tools - 0.103ubuntu4.4
--------------- initramfs-tools (0.103ubuntu4.4) trusty; urgency=low
* Backport Xenial driver lists (LP: #1608622): - add nvme drivers to block. - add ehci-* drivers to base. - add xhci-* drivers to base. - add virtio-* drivers to base.
-- Andy Whitcroft <email address hidden> Mon, 01 Aug 2016 19:22:50 +0100
This bug was fixed in the package initramfs-tools - 0.103ubuntu4.4
---------------
initramfs-tools (0.103ubuntu4.4) trusty; urgency=low
* Backport Xenial driver lists (LP: #1608622):
- add nvme drivers to block.
- add ehci-* drivers to base.
- add xhci-* drivers to base.
- add virtio-* drivers to base.
-- Andy Whitcroft <email address hidden> Mon, 01 Aug 2016 19:22:50 +0100