br0 for kvm is not working on Hardy

Soren Hansen soren at
Tue Aug 5 09:02:32 UTC 2008

On Mon, Aug 04, 2008 at 04:22:52PM -0500, James Dinkel wrote:
>> I just did a fresh install and update of Ubuntu Server 8.04.
>> Following the server documentation, I'm changing my network config so
>> I can have a bridge interface.  The network works fine by default,
>> but when I change to the following configuration, I get an error:
> >
>> The error I get is a bunch of lines saying: "br0:  ERROR while
>> getting interface flags:  No such device" and then one final line
>> saying: "Failed to bring up br0."
> >
> Oops, I figured it out.  I need to have "bridge-utils" installed.
> That should probably be added to the documentation.

The documentation tells you to install libvirt-bin, which depends on
bridge-utils, so one could argue that the documentation is correct. If
you feel differently, which seems to be the case :), feel free to update
the documentation yourself. It's a wiki :)

Soren Hansen               | 
Virtualisation specialist  | Ubuntu Server Team
Canonical Ltd.             |
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