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[Launchpad Bug Tracker <1684092@xxxxxxxxxxxxxxxxxx>]

[Expired for cloud-init (Ubuntu Xenial) because there has been no
activity for 60 days.]

** Changed in: cloud-init (Ubuntu Xenial)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1684092

Title:
  cloud-init in xenial generates bond configs that do not appear to work

Status in cloud-init package in Ubuntu:
  Expired
Status in cloud-init source package in Xenial:
  Expired

Bug description:
  cloud-init      0.7.9-48-g1c795b9-0ubuntu1~16.04.1

  Cloud init generated /etc/network/interfaces.d/50-cloud-init.cfg for a
  network configuration of two vlan'ed networks, on top of a bond, of
  two interfaces.

  The generated config did not work, as the bond specified "bond-slaves
  none", there were also bond_* settings specified on the interfaces,
  which I believe are redundant.

  Comparing the config generated by this cloud-init with another
  instance of similar type, I have removed the extrac bond_* settings
  from the cloud init generated config, and also specified "bond-salves"
  on the bond stanza, and disabled the cloud-init network config via
  snippet as advised at the top of the file.

  This made networking come up.

  I will attach, the generated 50-cloud-init.cfg; diff of applied
  differences; as well as the journal logs of both boots (broken and
  working).

  Imho cloud-init should generate bond-slaves stanzas with the
  interfaces names.

  However, further investigation suggests that changing bond-slaves from
  none to list of interfaces is a red herring. And instead the generated
  configuration is just fine, as long as network config is disabled in
  cloud-init (e.g. echo 'network: {config: disabled}' >
  /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg). So cloud-init
  generates the right eni.d drop-in file, but fails to correctly online
  these devices?! seems like "ifup -a" is all that is needed here.

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