Comment 8 for bug 1536810

For reference, show-kernel-img-conf.
this downloads cloud images and extracts the questioned file.
Note, there is a change in this file from wily to xenial, but the change is in place for all arch, and i'm only seeing these build failures in arm64 and armhf.

== wily armhf [wily-server-cloudimg-armhf.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = Yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160123
== wily arm64 [wily-server-cloudimg-arm64.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = Yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160123
== wily amd64 [wily-server-cloudimg-amd64.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = Yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160123
== wily ppc64el [wily-server-cloudimg-ppc64el.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = Yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160123
== xenial armhf [xenial-server-cloudimg-armhf.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = yes
 do_bootloader = no
 link_in_boot = yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160125-134444
== xenial arm64 [xenial-server-cloudimg-arm64.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = yes
 do_bootloader = no
 link_in_boot = yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160125-134444
== xenial amd64 [xenial-server-cloudimg-amd64.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = yes
 do_bootloader = no
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160125-134444
== xenial ppc64el [xenial-server-cloudimg-ppc64el.img]==
 === /etc/kernel-img.conf ===
 # Kernel Image management overrides
 # See kernel-img.conf(5) for details
 do_symlinks = yes
 do_bootloader = no
 link_in_boot = yes
 === /etc/cloud/build.info ===
 build_name: server
 serial: 20160125-134444