vendor: cadvisor v0.39.0

Main upgrades:
- github.com/opencontainers/runc v1.0.0-rc93
- github.com/containerd/containerd v1.4.4
- github.com/docker/docker v20.10.2
- github.com/mrunalp/fileutils v0.5.0
- github.com/opencontainers/selinux v1.8.0
- github.com/cilium/ebpf v0.2.0

vendor/github.com/opencontainers/runc/libcontainer/setns_init_linux.go

@@ -3,7 +3,6 @@
 package libcontainer
 
 import (
-	"fmt"
 	"os"
 	"runtime"
 
@@ -25,7 +24,7 @@ type linuxSetnsInit struct {
 }
 
 func (l *linuxSetnsInit) getSessionRingName() string {
-	return fmt.Sprintf("_ses.%s", l.config.ContainerId)
+	return "_ses." + l.config.ContainerId
 }
 
 func (l *linuxSetnsInit) Init() error {