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