4d904e2b7c
Appears we ran into this bug on 16.04: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1816876 and the fix is in xenial-updates. Switching all the ubuntu installer kernels to the updated ones so that we can make sure we're using latest and greatest. Change-Id: I68cccbb142c8b4c657a60929ad21e8164d07a1ef