PFLOWNL_ADDR_IP
{ .type = PFLOWNL_ADDR_IP, .off = _OUT(in.sin_addr), .cb = snl_attr_get_in_addr },
snl_add_msg_attr_ip4(nw, PFLOWNL_ADDR_IP, &in->sin_addr);
nlattr_add_in_addr(nw, PFLOWNL_ADDR_IP, &in->sin_addr);
{ .type = PFLOWNL_ADDR_IP, .off = _OUT(in.sin_addr), .cb = nlattr_get_in_addr },