"openshift-install" fails to connect to vSphere host

Issue

• When running the openshift-installer, uploading the OVA fails with the following error message:

  $ ./openshift-install create cluster --log-level debug
  [..]
  DEBUG vsphereprivate_import_ova.import: Creating...
  DEBUG vsphereprivate_import_ova.import: Still creating... [10s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [20s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [30s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [40s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [50s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [1m0s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [1m10s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [1m20s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [1m30s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [1m40s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [1m50s elapsed]
  DEBUG vsphereprivate_import_ova.import: Still creating... [2m0s elapsed]
  ERROR
  ERROR Error: failed to upload: Post "https://esxhost.example.com/nfc/1c9db85a-accb-11eb-8529-0242ac130003/disk-0.vmdk": dial tcp 172.0.0.10:443: connect: connection timed out
  ERROR
  ERROR   on ../../../tmp/openshift-install-087721138/main.tf line 43, in resource "vsphereprivate_import_ova" "import":
  ERROR   43: resource "vsphereprivate_import_ova" "import" {
  ERROR
  ERROR
  FATAL failed to fetch Cluster: failed to generate asset "Cluster": failed to create cluster: failed to apply Terraform: failed to complete the change