PF_RT_TYPE_2
snl_add_msg_attr_u16(nw, PF_RT_TYPE_2, r->type);
{ .type = PF_RT_TYPE_2, .off = _OUT(r.type), .cb = snl_attr_get_uint16 },
nlattr_add_u16(nw, PF_RT_TYPE_2, rule->type);
{ .type = PF_RT_TYPE_2, .off = _OUT(type), .cb = nlattr_get_uint16 },