refactor: cleanup code

Author: evgeniy-scherbina

jail/linux.go

@@ -296,11 +296,12 @@ func (l *LinuxJail) configureIptables() error {
 // cleanupNetworking removes networking configuration
 func (l *LinuxJail) cleanupNetworking() error {
 	runner := newCommandRunner([]*command{
-		{
-			"delete veth pair",
-			exec.Command("ip", "link", "del", l.vethHostName),
-			[]uintptr{uintptr(unix.CAP_NET_ADMIN)},
-		},
+		// NOTE: seems that command is unnecessary, because device is automatically deleted when boundary exits
+		//{
+		//	"delete veth pair",
+		//	exec.Command("ip", "link", "del", l.vethHostName),
+		//	[]uintptr{uintptr(unix.CAP_NET_ADMIN)},
+		//},
 	})
 	if err := runner.runIgnoreErrors(); err != nil {
 		return err