Added a static pod e2e test. (#835)

* Added bash e2e test for static pods. Checks for net1 interface on pod.

Signed-off-by: nicklesimba <simha.nikhil@gmail.com>

* Enable static pod test in CI

Signed-off-by: nicklesimba <simha.nikhil@gmail.com>

* Addressed review comments

Signed-off-by: nicklesimba <simha.nikhil@gmail.com>

e2e/setup_cluster.sh

@@ -39,6 +39,12 @@ containerdConfigPatches:
 nodes:
   - role: control-plane
   - role: worker
+    kubeadmConfigPatches:
+    - |
+      kind: InitConfiguration
+      nodeRegistration:
+        kubeletExtraArgs:
+          pod-manifest-path: "/etc/kubernetes/manifests/"
   - role: worker
 EOF