> From: "Lance Richardson" <lrich...@redhat.com>
> To: "Devin Acosta" <de...@pabstatencio.com>
> Cc: "Russell Bryant" <rbry...@redhat.com>, "Numan Siddique" 
> <nusid...@redhat.com>, "Marcin Mirecki"
> <mmire...@redhat.com>, "users" <Users@ovirt.org>
> Sent: Tuesday, December 20, 2016 4:50:53 PM
> Subject: Re: oVirt / OVN / MTU
> 
> > From: "Devin Acosta" <de...@pabstatencio.com>
> > To: "Russell Bryant" <rbry...@redhat.com>
> > Cc: "Numan Siddique" <nusid...@redhat.com>, "Lance Richardson"
> > <lrich...@redhat.com>, "Marcin Mirecki"
> > <mmire...@redhat.com>, "users" <Users@ovirt.org>
> > Sent: Tuesday, December 20, 2016 4:38:32 PM
> > Subject: Re: oVirt / OVN / MTU
> > 
> > So some port got stuck on a box? Any idea what would cause this and what i
> > should do to remove it?
> > 
> 
> Maybe there's a better way, but you could run this on the two chassis
> that are involved:
> 
>  ovs-vsctl --format table --columns=name,external-ids list Interface
>   
> 
> And look for for port UUID from the log message, it should show up
> with "iface-id=" on both chassis (but should appear on only one).
> 
> Once you figure out which one is wrong, do:
> 
>  ovs-vsctl remove Interface <port-name> external_ids iface-id=<interface-id>
> 

If you're running a recent version of ovs master, you might just need
the fix listed below which was committed yesterday (maybe you don't have
a duplicate port binding after all):

commit f90bb0909c5320c2421cce392ad0d4ffaecb98e7
Author: Mickey Spiegel <mickeys....@gmail.com>
Date:   Tue Dec 20 13:23:46 2016 -0800

    ovn-controller: Log chassis claiming lport only when changes occur.
    
    With recent OVN commits, the logic for a chassis to claim
    or release a logical port was consolidated.  This is a
    good thing.  However, there was a logic change that
    resulted in VLOG_INFO being generated every time on the
    ovn-controller.  This patch changes the logic so that
    VLOG_INFO is only generated when there is a change, for
    example when the chassis claims an lport the first time.
    
    Signed-off-by: Mickey Spiegel <mickeys....@gmail.com>
    Signed-off-by: Ben Pfaff <b...@ovn.org>

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