On Fri, Mar 23, 2007 at 12:38:44PM +1200, Nigel Roberts wrote:
[...]
quoted text
> You can see when the state change happens. The backup host advertises
> with advskew of 100, advbase of 2 and promptly decides it's the master
> until the next advertisment arrives from the machine that really
> should be the master. The backup also issues a CARP IPv6 announcement,
> which is strange because we don't have IPv6 configured.

That is not supposed to happen.
carp should not send IPv6 advertisements.
Mind to share your configuration?