Merge "Include iface index in the netlink event" into pi-dev

        switch(rta->rta_type) {

            case IFLA_IFNAME:

                asprintf(&mParams[0], "INTERFACE=%s", (char *) RTA_DATA(rta));

                // We can get the interface change information from sysfs update

                // already. But in case we missed those message when devices start.

                // We do a update again when received a kLinkUp event. To make

                // the message consistent, use IFINDEX here as well since sysfs

                // uses IFINDEX.

                asprintf(&mParams[1], "IFINDEX=%d", ifi->ifi_index);

                mAction = (ifi->ifi_flags & IFF_LOWER_UP) ? Action::kLinkUp :

                                                            Action::kLinkDown;

                mSubsystem = strdup("net");