[Bug 1374521] Re: auto interfaces do not come up with r/o images

[Martin Pitt]

ifup at .service works as intended. The idea is that /etc/init.d/networking
brings up all "auto" interfaces, and that unit takes care of the
hotplugged interfaces only.

The problem is that /etc/init.d/networking (or something it calls)
doesn't work if / is read-only. I'll investigate what it's trying to do.

** Summary changed:

- ifup should specify '-allow=auto' not '-allow=hotplug'
+ auto interfaces do not come up with r/o images

** Package changed: systemd (Ubuntu) => ifupdown (Ubuntu)

** Changed in: ifupdown (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/1374521

Title:
  auto interfaces do not come up with r/o images

Status in “ifupdown” package in Ubuntu:
  New

Bug description:
  /lib/systemd/system/ifup at .service specifies:

    ExecStart=/sbin/ifup --allow=hotplug %I

  This really needs to be:

    ExecStart=/sbin/ifup --allow=auto %I

  Since otherwise, for systems that don't use network-manager, the
  service will only bring up interfaces which have specified "allow-
  hotplug $if" in /etc/network/interfaces*.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: systemd 208-8ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-17.23-generic 3.16.3
  Uname: Linux 3.16.0-17-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Sep 26 16:54:12 2014
  InstallationDate: Installed on 2014-04-11 (167 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140409)
  SourcePackage: systemd
  UpgradeStatus: Upgraded to utopic on 2014-05-08 (141 days ago)

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