<div dir="ltr">For more info, we had been running into this issue when immediately trying to set the MAC address on a port right after it was created.<div><br></div><div>Nobody was able to figure out why the port would disappear from OVS and then re-appear so we ended up merging an ugly hack to deal with it: <a href="https://github.com/openstack/neutron/commit/a75ce6850f3954edafbb0c128750e39b57875743">https://github.com/openstack/neutron/commit/a75ce6850f3954edafbb0c128750e39b57875743</a></div><div><br></div><div>Here is the bug report that has some more info: <a href="https://bugs.launchpad.net/neutron/+bug/1618987">https://bugs.launchpad.net/neutron/+bug/1618987</a></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jul 12, 2017 at 12:10 PM, Miguel A Lavalle <span dir="ltr"><<a href="mailto:malavall@us.ibm.com" target="_blank">malavall@us.ibm.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="m_2776447555782807397socmaildefaultfont" dir="ltr" style="font-family:Arial,Helvetica,sans-serif;font-size:10.5pt"><div dir="ltr">Hi,</div>
<div dir="ltr"> </div>
<div dir="ltr">I am debugging failures in OpenStack Neutron functional tests. The sequence of events is the following:</div>
<div dir="ltr"> </div>
<div dir="ltr">1) An interface is added successfully to a bridge</div>
<div dir="ltr"> </div>
<div dir="ltr">2) The addition of the interface is logged by ovs-vswitchd</div>
<div dir="ltr"> </div>
<div dir="ltr">3) The test fails because it cannot find the interface when trying to move it to a linux namespace</div>
<div dir="ltr"> </div>
<div dir="ltr">4) ovs-vswitchd logs a second time the addition of the interface to the bridge</div>
<div dir="ltr"> </div>
<div dir="ltr">These are the relevant entries from the ovs-vswitchd and the functional test logs (the INFO level entries come from ovs-vswitchd): <a href="http://paste.openstack.org/show/615193/" target="_blank">http://paste.openstack.org/<wbr>show/615193/</a></div>
<div dir="ltr"> </div>
<div dir="ltr">OVS version from the ovs-vswitchd:</div>
<div dir="ltr"><pre><span class="m_2776447555782807397NONE">2017-07-12T07:56:31.554Z|<wbr>00006|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.5.2</span></pre></div><span class="HOEnZb"><font color="#888888">
<div dir="ltr"> </div>
<div dir="ltr">Miguel A. Lavalle<br>OpenStack Neutron Software Developement Lead<br>Linux Technology Center</div></font></span></div><br>
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