I just found https://bugs.launchpad.net/ubuntu/xenial/+source/linux/+bug/1820419 - seems like the same root cause and linux-image-4.4.0-145-generic mentioned there (in -proposed) worked as I had hoped above (it has a version check on the Depends: linux-base, which pulls in the needed script from xenial-updates
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1820755 Title: Netboot install fails due to linux-image-4.4.0-143-generic.postinst linux-update-symlinks not found To manage notifications about this bug go to: https://bugs.launchpad.net/bluelinux/+bug/1820755/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs