Updating dependency github.com/google/cadvisor to version 6a8d614

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

vendor/github.com/google/cadvisor/container/factory.go

@@ -22,7 +22,7 @@ import (
 	info "github.com/google/cadvisor/info/v1"
 	"github.com/google/cadvisor/watcher"
 
-	"k8s.io/klog"
+	"k8s.io/klog/v2"
 )
 
 type ContainerHandlerFactory interface {
@@ -58,6 +58,9 @@ const (
 	AppMetrics                     MetricKind = "app"
 	ProcessMetrics                 MetricKind = "process"
 	HugetlbUsageMetrics            MetricKind = "hugetlb"
+	PerfMetrics                    MetricKind = "perf_event"
+	ReferencedMemoryMetrics        MetricKind = "referenced_memory"
+	CPUTopologyMetrics             MetricKind = "cpu_topology"
 )
 
 // AllMetrics represents all kinds of metrics that cAdvisor supported.
@@ -77,6 +80,9 @@ var AllMetrics = MetricSet{
 	ProcessMetrics:                 struct{}{},
 	AppMetrics:                     struct{}{},
 	HugetlbUsageMetrics:            struct{}{},
+	PerfMetrics:                    struct{}{},
+	ReferencedMemoryMetrics:        struct{}{},
+	CPUTopologyMetrics:             struct{}{},
 }
 
 func (mk MetricKind) String() string {
@@ -204,9 +210,8 @@ func NewContainerHandler(name string, watchType watcher.ContainerWatchSource, in
 			klog.V(3).Infof("Using factory %q for container %q", factory, name)
 			handle, err := factory.NewContainerHandler(name, inHostNamespace)
 			return handle, canAccept, err
-		} else {
-			klog.V(4).Infof("Factory %q was unable to handle container %q", factory, name)
 		}
+		klog.V(4).Infof("Factory %q was unable to handle container %q", factory, name)
 	}
 
 	return nil, false, fmt.Errorf("no known factory can handle creation of container")