Update to new cadvisor v0.48.1

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

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

@@ -17,9 +17,9 @@ package manager
 import (
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"math"
 	"math/rand"
+	"os"
 	"os/exec"
 	"path"
 	"regexp"
@@ -243,7 +243,7 @@ func (cd *containerData) ReadFile(filepath string, inHostNamespace bool) ([]byte
 	for _, pid := range pids {
 		filePath := path.Join(rootfs, "/proc", pid, "/root", filepath)
 		klog.V(3).Infof("Trying path %q", filePath)
-		data, err := ioutil.ReadFile(filePath)
+		data, err := os.ReadFile(filePath)
 		if err == nil {
 			return data, err
 		}
@@ -323,7 +323,7 @@ func (cd *containerData) parseProcessList(cadvisorContainer string, inHostNamesp
 
 		var fdCount int
 		dirPath := path.Join(rootfs, "/proc", strconv.Itoa(processInfo.Pid), "fd")
-		fds, err := ioutil.ReadDir(dirPath)
+		fds, err := os.ReadDir(dirPath)
 		if err != nil {
 			klog.V(4).Infof("error while listing directory %q to measure fd count: %v", dirPath, err)
 			continue
@@ -482,7 +482,7 @@ func (cd *containerData) nextHousekeepingInterval() time.Duration {
 		stats, err := cd.memoryCache.RecentStats(cd.info.Name, empty, empty, 2)
 		if err != nil {
 			if cd.allowErrorLogging() {
-				klog.Warningf("Failed to get RecentStats(%q) while determining the next housekeeping: %v", cd.info.Name, err)
+				klog.V(4).Infof("Failed to get RecentStats(%q) while determining the next housekeeping: %v", cd.info.Name, err)
 			}
 		} else if len(stats) == 2 {
 			// TODO(vishnuk): Use no processes as a signal.