If multiple NICs are configured in install-config, the installer will provision nodes properly but will fail in bootstrap due to API validation. > 4.17 will support multiple NICs, < 4.17 will not and will fail.

Aug 15 18:30:57 2.252.83.01.in-addr.arpa cluster-bootstrap[4889]: [#1672] failed to create some manifests:
Aug 15 18:30:57 2.252.83.01.in-addr.arpa cluster-bootstrap[4889]: "cluster-infrastructure-02-config.yml": failed to create infrastructures.v1.config.openshift.io/cluster -n : Infrastructure.config.openshift.io "cluster" is invalid: [spec.platformSpec.vsphere.failureDomains[0].topology.networks: Too many: 2: must have at most 1 items, <nil>: Invalid value: "null": some validation rules were not checked because the object was invalid; correct the existing errors to complete validation]

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