title: nginx-ingress failing intermittely
body: <p>nginx-ingress failing intermittely</p>
  <hr />
  <p><strong>NGINX Ingress controller version:</strong> 0.22.0</p>
  <p><strong>Image:</strong> quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.22.0</p>
  <p><strong>Image ID:</strong> docker-pullable://quay.io/kubernetes-ingress-controller/nginx-ingress-controller@sha256:47ef793dc8dfcbf73c9dee4abfb87afa3aa8554c35461635f6539c6cc5073b2c</p>
  <p>quay.io/kubernetes-ingress-controller/nginx-ingress-controller</p>
  <p><strong>Kubernetes version (use kubectl version):</strong> v1.15.3</p>
  <hr />
  <p><strong>Environment:</strong></p>
  <p><strong>Cloud provider or hardware configuration:</strong> Vm's in Vcenter</p>
  <p><strong>OS (e.g. from /etc/os-release):</strong> VERSION=&quot;16.04.6 LTS (Xenial Xerus)&quot;</p>
  <p><strong>Kernel (e.g. uname -a):</strong> Linux appsec-ana01 4.4.0-143-generic #169-Ubuntu SMP Thu Feb 7 07:56:38 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux</p>
  <p>Install tools:</p>
  <p>Others:</p>
  <p><strong>What happened:</strong> my nginx-ingress-controller is failing and restarting inconsistently..</p>
  <p><strong>What you expected to happen:</strong> No Restart to happen</p>
  <p><strong>How to reproduce it (as minimally and precisely as possible):</strong> Same Version issue should occur.</p>
  <pre><code>curl -I http://10.244.10.48:10254/healthz
  HTTP/1.1 200 OK
  Date: Wed, 11 Sep 2019 11:15:56 GMT
  Content-Length: 2
  Content-Type: text/plain; charset=utf-8
  </code></pre>
  <p><strong>Anything else we need to know:</strong></p>
  <p>kubectl get events results in following</p>
  <pre><code>2m Warning Unhealthy pod/nginx-ingress-controller-7cfb747d6c-4n4nz Liveness probe failed: Get http://10.244.10.48:10254/healthz: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
  30s Warning Unhealthy pod/nginx-ingress-controller-7cfb747d6c-4n4nz Liveness probe failed: Get http://10.244.10.48:10254/healthz: net/http: request canceled (Client.Timeout exceeded while awaiting headers)
  6m5s Warning Unhealthy pod/nginx-ingress-controller-7cfb747d6c-4n4nz Readiness probe failed: Get http://10.244.10.48:10254/healthz: net/http: request canceled (Client.Timeout exceeded while awaiting headers)
  35m Warning Unhealthy pod/nginx-ingress-controller-7cfb747d6c-4n4nz Readiness probe failed: Get http://10.244.10.48:10254/healthz: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
  
  curl -I http://10.244.10.48:10254/healthz
  HTTP/1.1 200 OK
  Date: Wed, 11 Sep 2019 11:15:56 GMT
  Content-Length: 2
  Content-Type: text/plain; charset=utf-8
  </code></pre>