ofpbuf_init(&b, mtu + VLAN_ETH_HEADER_LEN);
netdev_get_etheraddr(cli->netdev, cli_mac);
for (; cli->received < 50; cli->received++) {
ofpbuf_init(&b, mtu + VLAN_ETH_HEADER_LEN);
netdev_get_etheraddr(cli->netdev, cli_mac);
for (; cli->received < 50; cli->received++) {