https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/NETVIRT-811 netvirt <p><a href="https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-ocata-upstream-stateful-snat-conntrack-carbon/75/log.html.gz#s1-s7-t2" class="external-link" target="_blank" rel="nofollow noopener">https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-ocata-upstream-stateful-snat-conntrack-carbon/75/log.html.gz#s1-s7-t2</a></p> <p>Operating System: All<br/> Platform: All</p> NETVIRT-811

CSIT Sporadic failures - Arp learning suite - ping to learned FIB entry failing

Bug Resolved Cannot Reproduce Aswin Suryanarayanan Jamo Luhrsen Wed, 26 Jul 2017 23:44:40 +0000 Thu, 3 May 2018 14:36:59 +0000 Fri, 18 Aug 2017 16:58:31 +0000 Carbon General 0 2 <p><a href="https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-upstream-stateful-snat-conntrack-carbon/122/log.html.gz#s1-s7-t2-k31" class="external-link" target="_blank" rel="nofollow noopener">https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-upstream-stateful-snat-conntrack-carbon/122/log.html.gz#s1-s7-t2-k31</a></p> <p>Update on <a href="https://jira.opendaylight.org/browse/NETVIRT-811" title="CSIT Sporadic failures - Arp learning suite - ping to learned FIB entry failing" class="issue-link" data-issue-key="NETVIRT-811"><del>NETVIRT-811</del></a>.</p> <p>Vivek and I analyzed the CSIT logs, and it looks like the Flow Cleanup phase for External Network Test is not cleaning up all the flows.</p> <p>From the below link:<br/> <a href="https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-upstream-stateful-snat-conntrack-carbon/122/log.html.gz#s1-s7" class="external-link" target="_blank" rel="nofollow noopener">https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-newton-nodl-v2-upstream-stateful-snat-conntrack-carbon/122/log.html.gz#s1-s7</a></p> <p>it looks like NAT related flows are not getting cleaned up.</p> <p>Secifically regarding <a href="https://jira.opendaylight.org/browse/NETVIRT-811" title="CSIT Sporadic failures - Arp learning suite - ping to learned FIB entry failing" class="issue-link" data-issue-key="NETVIRT-811"><del>NETVIRT-811</del></a>, a stale NAT conntrack flow is present in the table-36 entry, that is failing ping in its reply path, i.e,</p> <p>cookie=0x8000006, duration=203.299s, table=36, n_packets=5, n_bytes=331, priority=10,ip,tun_id=0x186a9 actions=set_field:0x30d52-&gt;metadata,ct(table=46,zone=5003,nat) IN COMPUTE_1 is the stale flow, which is not allowing the packet to reach cookie=0x90186a9, duration=144.439s, table=36, n_packets=0, n_bytes=0, priority=5,tun_id=0x186a9 actions=group:150025.</p> <p>@Aswin,<br/> Could you please help us in finding out why the conntrack flow was not cleaned up properly?</p> <p>Thanks,<br/> Kiran</p> <p><a href="https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-ocata-upstream-stateful-snat-conntrack-carbon/82/log.html.gz#s1-s7-t2-k31" class="external-link" target="_blank" rel="nofollow noopener">https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-ocata-upstream-stateful-snat-conntrack-carbon/82/log.html.gz#s1-s7-t2-k31</a></p> <p>I tried multiple times locally(in one node and two node setup). But did see an instance where this flow is not getting cleaned up. Also this failure does not happen last 15 run. Is it safe for us to assume this may have got fixed?</p> <p>(In reply to Aswin Suryanarayanan from comment #4)<br/> &gt; I tried multiple times locally(in one node and two node setup). But did see<br/> &gt; an instance where this flow is not getting cleaned up. Also this failure<br/> &gt; does not happen last 15 run. Is it safe for us to assume this may have got<br/> &gt; fixed?</p> <p>yeah, lets close this and I'll re-open if it shows back up. CSIT is <br/> passing pretty reliably now so I think a lot of the sporadic bugs<br/> (like this) have been fixed.</p> Development External issue ID 8895 External issue URL Rank 0|i01u3r: Status Whiteboard csit:sporadic_failures