[virt-tools-list] ncftool fails to run on guest

Daniel P. Berrange berrange at redhat.com
Wed Nov 11 17:37:42 UTC 2009


On Wed, Nov 11, 2009 at 09:32:33AM -0800, Dale Bewley wrote:
> I wanted to experiment with netcf on a f12-beta guest, but ncftool refuses to start:
> 
> [root at f12-beta ~]# ncftool
> Failed to initialize netcf
> error: File operation failed
> error: can not open /proc/sys/net/bridge/bridge-nf-call-iptables: No such file or directory
> 
> I realize the tool was designed for libvirt/ovirt use on a host, but shouldn't it be usable within a KVM guest? 

FYI there's a dedicated netcf mailing list

   https://fedorahosted.org/mailman/listinfo/netcf-devel


My random guess would be that you don't have the 'bridge' kernel module
loaded. Though of course it ought work without that, it may well have not
been tested in that scenario, since libvirt will immediately trigger the
bridge module to be loaded when it starts up.

Regards,
Daniel
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