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 (20101020ubuntu504) zesty; urgency=medium

   * Move master kernels to 4.10.0-19.

 -- Adam Conrad   Fri, 07 Apr 2017 02:37:15 -0600