proc, err := procfs.Self()
	if err != nil {
		return procfs.NetDevLine{}, err
	}
	netDev, err := proc.NetDev()
	if err != nil {
		return procfs.NetDevLine{}, err
	}
	ndl, ok := netDev[interf]
	if !ok {
		return procfs.NetDevLine{}, fmt.Errorf("%v interface not found", interf)
	}
	return ndl, nil

	if openNetns != nil {
		return openNetns, nil
	}
	log.Debug("pod netns was not found, trying to find it using procfs")
	// this can happen if the pod was dynamically added to the mesh after it was created.
	// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}

	host1, port1, err := extractHostPort(addr1)
	if err != nil {
		return false, err
	}
	host2, port2, err := extractHostPort(addr2)
	if err != nil {
		return false, err
	}

	var addr1Local, addr2Local bool

	if host1 == "" {
		// If empty host means it is localhost
		addr1Local = true
	} else if addr1Local, err = isLocalHost(host1, port1, port1); err != nil {
		// Host not empty, check if it is local