+ sizeof (*eth0));
arp0->opcode = clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_reply);
arp0->ip4_over_ethernet[1] = arp0->ip4_over_ethernet[0];
- clib_memcpy (arp0->ip4_over_ethernet[0].ethernet,
- (u8 *) & mac0, 6);
+ mac_address_from_u64 (&arp0->ip4_over_ethernet[0].mac, mac0);
clib_memcpy (&arp0->ip4_over_ethernet[0].ip4,
&gid_address_arp_ip4 (&dst), 4);