The kernel postinst script uses linux-update-symlinks, this is only available in linux-base starting from version 4.1.
Installation/upgrade of this kernel package will therefore fail if the installed version of linux-base is smaller than 4.1 (Xenial shipped with 4.0).
The kernel postinst script uses linux-update- symlinks, this is only available in linux-base starting from version 4.1.
Installation/ upgrade of this kernel package will therefore fail if the installed version of linux-base is smaller than 4.1 (Xenial shipped with 4.0).