Description of problem:
Any iptables.txt doesn't gathered with must-gather.

Version-Release number of selected component (if applicable):

How reproducible:
Always

Steps to Reproduce:
1.Create a VM and make sure it's running
2.run must-gather command
oc adm must-gather --image=registry.redhat.io/openshift-pipelines/pipelines-rhel8-operator@sha256:7f80c464361e1acb656abebdac9cc48562416d8e72a0c2394f188972f1150a32:v4.12 – /usr/bin/gather
3.Navigate to the folder it opens and search for iptables.txt
find . -name "iptables.txt"

Actual results:
The output doesn't contain any iptables.txt

Expected results:
iptables output files named iptables.txt exist in the output directory.

Additional info:
Also Tried on 4.13 cluster with the same result.