[ovs-discuss] GRE tunnel creation fails: "applying "create" command to table Interface without --id option will have no effect"

[Ben Pfaff]

On Wed, Jan 18, 2012 at 12:59:59PM +0200, Heinonen, Johanna (NSN - FI/Espoo) wrote:
> When connection from ovs to NOX openflow controller is made, ovs sends
> continuously error messages approximately once per second in the
> following way:
> NOX->OVS: vendor (SM) 
> OVS->NOX: Error (SM) 
> NOX->OVS: Flow Mod (CSM) 
> OVS->NOX: Error (SM) 
> OVS->NOX: Error (SM) 
> OVS->NOX: Error (SM) 
> OVS->NOX: Error (SM) 
> OVS->NOX: Error (SM) 
> ...
> 
> Is there any way to suppress these messages? The error type is unknown
> (45250) and error code 0.

Suppressing errors without any idea of their cause doesn't make any
sense.  Please obtain a proper dump of the traffic, e.g. with
"ovs-ofctl snoop" or by turning up the log level on the "vconn" log
module, and pass that along.