debian-installer netboot builds.
These are reset every time a new debian-installer is uploaded and not on a daily basis.

Changes: https://launchpad.net/ubuntu/+archive/primary/+files/debian-installer_20...

debian-installer (20101020ubuntu534) bionic; urgency=medium

   * Move master kernels to 4.15.0-12.  LP: #1754059

 -- Dimitri John Ledkov   Thu, 15 Mar 2018 00:14:05 +0000