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[Thomas Stringer <1914784@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

NetworkManager will attempt to manage all network interfaces with no
configuration. To ignore an interface, you need to specify an ifcfg file
in /etc/sysconfig/network-scripts to include "NM_CONTROLLED=no".

Currently, cloud-init does not have support for the NM_CONTROLLED option
or any way for a data source to explicitly generate config to tell
NetworkManager to ignore a particular interface.

This functionality is currently possible with Netplan, and this report
is a request for feature parity in NetworkManager config rendering.

** Affects: cloud-init
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1914784

Title:
  cloud-init does not support ignoring a network interface with
  NetworkManager

Status in cloud-init:
  New

Bug description:
  NetworkManager will attempt to manage all network interfaces with no
  configuration. To ignore an interface, you need to specify an ifcfg
  file in /etc/sysconfig/network-scripts to include "NM_CONTROLLED=no".

  Currently, cloud-init does not have support for the NM_CONTROLLED
  option or any way for a data source to explicitly generate config to
  tell NetworkManager to ignore a particular interface.

  This functionality is currently possible with Netplan, and this report
  is a request for feature parity in NetworkManager config rendering.

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