Enable hairpinMode in flannel CNI config
Enable hairpinMode in flannel CNI config

* Allow pods to communicate with themselves via service IP
* https://github.com/coreos/flannel/pull/849

diegs/bootkube,diegs/bootkube,kubernetes-incubator/bootkube,dghubble/bootkube,dghubble/bootkube,dghubble/bootkube,diegs/bootkube,kubernetes-incubator/bootkube,kubernetes-incubator/bootkube