[Bug 1041356] Re: ifupdown not working when multiple interfaces

Stéphane Graber stgraber at stgraber.org
Thu Sep 6 19:14:31 UTC 2012

Can you attach the content of /var/log/upstart as well as your

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  ifupdown not working when multiple interfaces

Status in “ifupdown” package in Ubuntu:

Bug description:
  Ubuntu Server 12.04
  ifup hangs when trying to start interface (only when using dhclient)
  ifdown is complaining that interfaces is not in '/run/network/ifstate', and so refusing to stop it.
  BUT worse ifdown eth2 will shutdown eth0, and so I lose connection over eth0 SSH.
  After reboot, server cannot setup network.

  Problem lies when ifup is forking to dhclient and it gets also messed
  up with is '/run/network' files. When using only one interface
  everything works fine but when two or more interfaces are setup it
  becomes buggy, for now I replaces ifup with ifconfig in

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