I've analyzed this behavior here and am reasonably confident that yes, this is the same bug as LP: #1717038, which would generically affect the use of apt-install in d-i in 17.10.
** Also affects: debian-installer (Ubuntu Artful) Importance: Critical Assignee: Canonical Foundations Team (canonical-foundations) Status: Confirmed ** Changed in: debian-installer (Ubuntu Artful) Status: Confirmed => Triaged ** Also affects: base-installer (Ubuntu) Importance: Undecided Status: New ** Changed in: base-installer (Ubuntu Artful) Status: New => Triaged ** Changed in: base-installer (Ubuntu Artful) Importance: Undecided => Critical -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1714167 Title: Netboot fails with - Unable to install the selected kernel - message while installing Ubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1714167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs