Public bug reported:

I (smoser) removed cloud-initramfs-dyn-netconf from ubuntu-server meta
package.  That package provides functionality needed by MAAS and cause bug
1748875.  Under that bug we re-added cloud-initramfs-dyn-netconf to the
initramfs that MAAS publishes.

We subsequently saw failure in open-iscsi tests, which utilize that same
function.

My commit message to the fix of maas-images is below for informational
purposes [1]:
  [1] 
https://code.launchpad.net/~smoser/maas-images/trunk.lp1749019-re-add-cloud-intramfs-dyn-netconf/+merge/337605

'b' is *also* used by the open-iscsi use case.  It boots with a slightly
different form than maas images:
  BOOTIF_DEFAULT=eth0 and ip=:::::name:BOOTIF

Here, 'BOOTIF' will be replaced with 'eth0'.

| Re-add cloud-initramfs-dyn-netconf. Needed by maas for BOOTIF in ip=.
|
| The previous commit to trunk dropped cloud-initramfs-dyn-netconf from
| the maas image in releases newer than xenial.
| 
| That caused errors in MAAS. cloud-initramfs-dyn-netconf does 2 things:
| a.) writes /run/network/dynamic-interfaces
|     this is a ENI style file with data retrived from ipconfig
| b.) convert 'BOOTIF' string in the value of IP
|   Example:
|     ip=::::foobar:BOOTIF BOOTIF=01-00-22-68-10-c1-e6
|   will be effectively rendered as:
|     ip=::::foobar:eth0
|
| 'b' is still required by maas.
|
| Note: in maas v3 images, the squashfs image is re-used pristine
| from cloud-images. Because of this, the installation into the image
| affects initramfs creation, but does not affect the image. That is
| correct in that this package is not needed in the image but only
| in the initramfs.

Related bugs:
 * bug 1748875:  Unable to deploy Bionic on bare-metals with MaaS 2.3.0

** Affects: ubuntu-meta (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1750851

Title:
  re-add cloud-initramfs-dyn-netconf to ubuntu-server

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