[Bug 1568637] Re: iscsi root boot fails without /etc/network/interfaces aid of cloud-initramfs-dyn-netconf

[Scott Moser]

** Description changed:

- when i removed the symlink in the maas ephemeral image from /etc/network/interfaces 
- the iscsi root boot fails, and maas deployment would also fail.
+ when i removed the symlink in the maas ephemeral image from /etc/network/interfaces the iscsi root boot fails, and maas deployment would also fail.
+ The real reason for the difference was that cloud-init was rendering 'auto' for the device that was brought up in the initramfs.
+ 
+ Instead it needs to leave it to be manually controled (no 'auto' or
+ 'allow-hotplug').

** Summary changed:

- iscsi root boot fails without /etc/network/interfaces aid of cloud-initramfs-dyn-netconf
+ network config of initramfs devices writes 'auto', breaking iscsi root boot

** Description changed:

  when i removed the symlink in the maas ephemeral image from /etc/network/interfaces the iscsi root boot fails, and maas deployment would also fail.
  The real reason for the difference was that cloud-init was rendering 'auto' for the device that was brought up in the initramfs.
  
  Instead it needs to leave it to be manually controled (no 'auto' or
  'allow-hotplug').
+ 
+ Related bugs:
+  * bug 1570142: [open-isci]  net-interface-handler needs updating for newer ifupdown

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https://bugs.launchpad.net/bugs/1568637

Title:
  network config of initramfs devices writes 'auto', breaking iscsi root
  boot

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