Fix podman getSubnets()

[aojea]

Fix podman getSubnets()

Since we moved to custom networks, it has to get the information from the kind network
It also carries the fix in #2199 that got stuck on CLA signing

[aojea]

/assign @BenTheElder @amwat

[k8s-ci-robot]

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[BenTheElder]

what's the context? did the previous one ever work? did podman change something?

[aojea]

what's the context? did the previous one ever work? did podman change something?

that is stuck #2199
and when we moved to custom networks I forget to pass the kind network

error unrelated
E: Failed to fetch https://packages.microsoft.com/ubuntu/20.04/prod/dists/focal/main/binary-amd64/Packages.bz2 File has unexpected size (73402 != 73160). Mirror sync in progress? [IP: 40.74.238.15 443]
Hashes of expected file:
- Filesize:73160 [weak]

[BenTheElder]

/lgtm
/approve
I still think json should be high on the list, but /shrug

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aojea, BenTheElder

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[aojea]

I still think json should be high on the list, but /shrug

I know I know ... too many things sorry