Use sysfs for a less-complicated overlay check
Use sysfs for a less-complicated overlay check

kubernetes/minikube,warmchang/minikube,dalehamel/minikube,dalehamel/minikube,kubernetes/minikube,dalehamel/minikube,warmchang/minikube,warmchang/minikube,warmchang/minikube,kubernetes/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,warmchang/minikube