Health check failures seen in OpenShift hosted on OpenStack - /usr/bin/curl -o /dev/null -kLs http://0:1936/healthz exited with status 7

Issue

Several entries such as the below are seen in the logs:

{
  "_index": "application-openshift-infra-2020.04.21-000005",
  "_type": "_doc",
  "_id": "5I7Kq3EBmc-XXxxXXXxx",
  "_score": 1,
  "_source": {
    "kubernetes": {
      "namespace_name": "openshift-openstack-infra",
      "host": "osl02-pnjsk-master-1",
      "pod_id": "61acc8db-a4e0-4d4a-a759-6b288bXXXxxx",
      "pod_name": "keepalived-osl02-pnjsk-master-1",
      "container_image": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:ec7fda662890e27260296c121e13b3d4e2545a2fb706bc1fdfxxxxxxxxxxx",
      "container_image_id": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:ec7fda662890e27260296c121e13b3d4e2545a2fb706bc1fdf81e1xxxxxxxxxx",
      "master_url": "https://kubernetes.default.svc",
      "namespace_labels": {
        "openshift_io/run-level": "1",
        "name": "openshift-openstack-infra"
      },
      "namespace_id": "5169c71d-1897-439d-b662-XxxxxXxxxXxx",
      "labels": {
        "app": "openstack-infra-vrrp"
      },
      "container_name": "keepalived"
    },
    "message": "/usr/bin/curl -o /dev/null -kLs http://0:1936/healthz exited with status 7",
    "host": "172.xx.xxx.xx",
    "level": "unknown",
    "@timestamp": "2020-04-24T10:45:15.636Z",
    "pipeline_metadata": {
      "collector": {
        "received_at": "2020-04-24T10:45:16.527927+00:00",
        "ipaddr6": "fe80::943d:xxxx:xxxx:xxxx",
        "name": "fluentd",
        "inputname": "fluent-plugin-systemd",
        "version": "1.7.4 1.6.0",
        "ipaddr4": "10.x.x.x"
      }
    },