plugin/kubernetes: re-add sleep(3) (#1166)
plugin/kubernetes: re-add sleep(3) (#1166)

This flakyness is driving me crazy. Add the sleep(3s) back.
ii/coredns,jremond/coredns,jremond/coredns,johnbelamaric/coredns,coredns/coredns,miekg/coredns,chrisohaver/coredns,yongtang/coredns,ii/coredns,johnbelamaric/coredns,miekg/coredns