Add comment explaining pkg/initflag

cmd/minikube/main.go

@@ -23,6 +23,8 @@ import (
 	"os"
 	"strconv"
 
+	// initflag must be imported before any other minikube pkg.
+	// Fix for https://github.com/kubernetes/minikube/issues/4866
 	_ "k8s.io/minikube/pkg/initflag"
 
 	"github.com/golang/glog"

pkg/initflag/initflag.go

@@ -21,8 +21,9 @@ import (
 )
 
 func init() {
+	// Workaround for "ERROR: logging before flag.Parse"
+	// See: https://github.com/kubernetes/kubernetes/issues/17162
 	fs := flag.NewFlagSet("", flag.ContinueOnError)
-
 	_ = fs.Parse([]string{})
 	flag.CommandLine = fs
 }