[Libvir] Problem using libvirtd on RHEL5.1

[Daniel P. Berrange]

On Fri, Feb 22, 2008 at 04:56:24PM -0300, Tiago Cruz wrote:
> Hello 8-)
> 
> I'm using libvirt-0.4.0-1 (re)compiled from libvirt-0.4.0.tar.gz, on Red
> Hat EL 5.1 x86_64.
> 
> The problem is:
> 
> # /etc/init.d/libvirtd start
> Starting libvirtd daemon: libvir: QEMU error : cannot create bridge 'virbr0' : File exists
> Failed to autostart network 'default': cannot create bridge[FAILED]' : File exists
> 
> And I can't destroy the 'virbr0', because I don't know how :^)

You need to shutdown the existing libvirt_qemud daemon that comes with
RHEL5 first.  If that's already gone, and you still have virbr0, then
manually delete it with 'ifconfig virbr0 down' and 'brctl delbr virbr0'

Dan.
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