Bug 1752817

Summary: Got "POD XT match tcp not found" when running must gather to collect the iptables information
Product: Container Native Virtualization (CNV) Reporter: Yan Du <yadu>
Component: NetworkingAssignee: Dan Kenigsberg <danken>
Status: CLOSED CURRENTRELEASE QA Contact: Meni Yakove <myakove>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 2.1.0CC: cnv-qe-bugs, danken, fsimonce, mmirecki
Target Milestone: ---   
Target Release: 2.1.0   
Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2019-11-04 15:04:54 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
must gather output log none

Description Yan Du 2019-09-17 09:47:42 UTC 
Description of problem:
Got "POD XT match tcp not found" when running must gather to collect the iptables information

Version-Release number of selected component (if applicable):
OCP 4.2
CNV 2.1


How reproducible:
Always

Steps to Reproduce:
1. Run the must gather 
#oc adm must-gather --image=brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/container-native-virtualization/cnv-must-gather:v2.1.0-12


Actual results:
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match tcp not found
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match tcp not found
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match tcp not found
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match tcp not found
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match tcp not found
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match tcp not found
[must-gather-tcnwh] POD XT target DNAT not found
[must-gather-tcnwh] POD XT match conntrack not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match conntrack not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match conntrack not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match conntrack not found
[must-gather-tcnwh] POD XT match comment not found
[must-gather-tcnwh] POD XT match comment not found


Expected results:
No such error shown

Additional info:
Please refer to attachment for more detail must gather output
Comment 1 Yan Du 2019-09-17 09:58:17 UTC 
Created attachment 1615785 [details]
must gather output log
Comment 2 Marcin Mirecki 2019-09-18 08:27:13 UTC 
This should be fixed by:
https://github.com/kubevirt/must-gather/pull/52
Comment 4 Yan Du 2019-09-25 02:15:48 UTC 
Test on latest CNV2.1 cluster, issue have been fixed. 

4.2.0-0.nightly-2019-09-21-183303
Kubernetes Version: v1.14.6+076ca09
cnv-must-gather:v2.1.0-16
Comment 5 Marcin Mirecki 2023-01-23 09:08:52 UTC 
Closed, clearing needinfo