On Mon, 21 Aug 2017 12:56:33 -0700
Justin Pettit <jpet...@ovn.org> wrote:

> > On Aug 21, 2017, at 12:38 PM, Joe Stringer <j...@ovn.org> wrote:
> > 
> > Overall I think that this is an improvement to consistency of what
> > connection tracking metadata is accessible from different points in
> > the OpenFlow pipeline. Although this will restrict the availability of
> > ct_state following the ct() action execution, controller writers who
> > wish to preserve access to this content across a CT action execution
> > can do so using registers. In practice I'm not aware of any controller
> > that is currently operating this way though.
> > 
> > Do we need a NEWS item for this?  
> 
> Good point I added something.
> 
> > Acked-by: Joe Stringer <j...@ovn.org>  
> 
> Thanks for all your suggestions and testing on these patches leading up to 
> this no-slowpath work.  I've pushed this change to master and branch-2.8.

We found that at least OpenShift 3.6.0 breaks after this change.

It does:
"table=30, priority=300, ip, nw_dst=%s, ct_state=+rpl, 
actions=ct(nat),goto_table:70"
and then there is a rule that checks if ct_state=+rpl.

We are going to fix it to "actions=ct(nat,table=70)" in the newer
releases, but of course we can't change the past, and that prevents
us to provide newer OVS as updates.

Thanks,
-- 
Flavio

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