[Bug 1298325] Re: ifenslave can't delete interfaces from a bond

[Launchpad Bug Tracker]

This bug was fixed in the package ifenslave - 2.9ubuntu1

---------------
ifenslave (2.9ubuntu1) bionic; urgency=low

  * Merge from Debian unstable.  Remaining changes:
    - Upstart event based bond bringup:
      + Drop ethernet+wifi example
      + Drop two_ethernet example
      + Update ethernet+hotplug_wifi example
      + Update two_hotplug_ethernet example
      + Update pre-up and post-down scripts for event bringup
      + Update README.Debian examples
    - Update scripts to use /run/network/ifstate instead of
      /etc/network/run/ifstate

ifenslave (2.9) unstable; urgency=medium

  [ Peter Pentchev ]
  * Brown paper bag: fix the correct check for detaching interfaces,
    this time really closing #838918 and unbreaking attachment, too.

ifenslave (2.8) unstable; urgency=medium

  [ Peter Pentchev ]
  * Fix detaching interfaces after the /slave_ to /lower_ change
    (Closes: #838918, LP: #1298325).
  * Declare compliance with version 3.9.8 of the Debian Policy Manual.
  * Fix some typographical and grammatical errors.
  * Switch to the HTTPS scheme for the VCS and copyright format URLs.
  * Switch to cgit for the Vcs-Browser field.
  * Bump the debhelper compatibility version to 10 with no changes.
  * Stop suggesting that bugs be filed against ifenslave-2.6 when
    the package name is ifenslave now.

 -- Steve Langasek <steve.langasek at ubuntu.com>  Fri, 16 Mar 2018
16:04:23 -0700

** Changed in: ifenslave (Ubuntu)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1298325

Title:
  ifenslave can't delete interfaces from a bond

Status in ifenslave package in Ubuntu:
  Fix Released

Bug description:
  Deleting an interface from a bond does not work and gives you an
  error: "$interface is not enslaved to $bond"

  To reproduce:

  # cat /etc/modprobe.d/bonding.conf
  alias bond0 bonding
  alias bond1 bonding
  options bond0 mode=1 primary=em1 max_bonds=2
  options bond1 mode=1 primary=em3 max_bonds=2

  # modprobe bond0
  # modprobe bond1
  # ifenslave bond0 em1 em2
  # ifenslave bond1 em3 em4

  works (almost) fine, in /proc/net/bonding/bond* everything looks
  enslaved (but bond1 does not have a primary slave)

  However, deleting an interface from a bond results in an error:
  # ifenslave -d bond1 em4
  em4: is not enslaved to bond1

  em4 is still enslaved according to /proc/net/bonding/bond1

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ifenslave 2.4ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
  Uname: Linux 3.13.0-19-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  Date: Thu Mar 27 12:28:03 2014
  InstallationDate: Installed on 2014-03-26 (1 days ago)
  InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ifenslave
  UpgradeStatus: Upgraded to trusty on 2014-03-26 (1 days ago)

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