When using the new flag --all-images with the must-gather command, there is some files that is not collected which collected with the regular must-gather command specifying the image 

4.16

100%

1.Run the command:
oc adm must-gather --dest-dir=must-gather --image=registry.redhat.io/container-native-virtualization/cnv-must-gather-rhel9@sha256:f508e9ef16c7fb72979b10cba49440e3ade257e9cb5a30e5f3efd3dc90f49c56 -- /usr/bin/gather

2. Check the content of the folders /nodes/<node_name>, you will be able to see some network data.

3.Run the command oc adm must-gather --all-images
4.Check the same folder and see the differences, this folder will contain only one something like "iuo-or1-416-5tt2j-worker-0-nhbfp_logs_NetworkManager"

Only one file.

Network data like nftables folder, etc..