[Bug 1471391] [NEW] When the dropbear remote unlock init hook is enabled NEED_PERSISTENT_NET should be set to "yes"

[David]

Public bug reported:

Users who use the dropbear remote unlock init hook to remotely unlock a
cryptroot setup should have their udev network interface rules persisted
in the initramfs. That is, when a system has the dropbear hook enabled
and it has a cryptroot setup then "NEED_PERSISTENT_NET" should be set to
"yes" to ensure that network interfaces are not renamed unexpectedly.

If this does not make sense to do by default then I would like to
suggest that /usr/share/doc/cryptsetup/README.remote.gz is changed to
inform users of NEED_PERSISTENT_NET.

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1471391

Title:
  When the dropbear remote unlock init hook is enabled
  NEED_PERSISTENT_NET should be set to "yes"

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  Users who use the dropbear remote unlock init hook to remotely unlock
  a cryptroot setup should have their udev network interface rules
  persisted in the initramfs. That is, when a system has the dropbear
  hook enabled and it has a cryptroot setup then "NEED_PERSISTENT_NET"
  should be set to "yes" to ensure that network interfaces are not
  renamed unexpectedly.

  If this does not make sense to do by default then I would like to
  suggest that /usr/share/doc/cryptsetup/README.remote.gz is changed to
  inform users of NEED_PERSISTENT_NET.

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