NDA_DST
{ .type = NDA_DST, .off = _OUT(nda_dst), .cb = snl_attr_get_ip },
nlattr_add(nw, NDA_DST, 4, &addr);
nlattr_add(nw, NDA_DST, 16, &addr);
{ .type = NDA_DST, .off = _OUT(nda_dst), .cb = nlattr_get_ip },
snl_add_msg_attr_ip(&nw, NDA_DST, (struct sockaddr *)dst);
snl_add_msg_attr_ip(&nw, NDA_DST, (struct sockaddr *)dst);
snl_add_msg_attr_ip(&nw, NDA_DST, (struct sockaddr *)&dst);
snl_add_msg_attr_ip(&nw, NDA_DST, (struct sockaddr *)dst);