[ovs-dev] too many syslog messages with sFlow/NetFlow export when collector down/unreachable

[Ben Pfaff]

On Tue, Jul 17, 2012 at 02:41:28PM -0700, Neil Mckee wrote:
> ovs-vswitchd on XenServer 6.0.2 is generating a warning syslog
> message for every sFlow/NetFlow UDP datagram that it fails to send
> (which usually happens because an ICMP destination-unreachable
> message was received).

It's rate-limited to one message per minute.

> Not sure if this should even be a "debug" level message, since it
> can happen quite easily in the normal course of events, and can
> generate hundreds of log events per second.

We'll get bug reports if users can't figure out why their sFlow or
NetFlow reporting has stopped working.