Hi Ben,

record for the next minute as follows. In some cases the "find Interface" can 
return a "ofport" (not empty), so the command "set Port tag" can be performed 
after the "add-port"
https://drive.google.com/file/d/0Bw07rcRwQIFydVZYX1hReGZhMU0/edit?usp=sharing

 
On the other hand, the openStack folks must implement a failure handling for 
the case "ofport" is still empty after "add-port" returned successfully:
https://review.openstack.org/#/c/65838

 
Also I want to remind our current version:
openvswitch: 1.4.6-0ubuntu1.12.04.2~lp1259285
Linux kernel: 3.2.0-51-generic


On Wednesday, July 2, 2014 9:55 PM, Ben Pfaff <b...@nicira.com> wrote:
 


On Wed, Jul 02, 2014 at 11:05:57AM +0100, Joni Lee wrote:

> Thank you Ben,
> 
> - ovs-vswitchd.log did show that the port was added to br-int:
> 
> Jun 30 07:30:14|5422458|bridge|INFO|created port qr-3cc2ad9c-a3 on bridge 
> br-int
> 
> 
> - I only found this "No such device" suspicious. Is this logged by the "find 
> Interface" command? (because the command was executed exactly at second 15 
> and returned empty "ofport")
> 
> Jun 30 07:30:15|5422579|netdev_linux|INFO|ioctl(SIOCGIFHWADDR) on 
> qr-3cc2ad9c-a3 device failed: No such device
> 
> - In the ovsdb log, the port was added to the db at second 13 successfully. 
> But ovsdb log looks like it never records any entries for "ofport" (i guess 
> this is normal).

You showed us one record from the ovsdb log, could you show us the
records after that (for the next minute or so) also?
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