PF_SL_ID
{ .type = PF_SL_ID, .off = _OUT(id), .cb = snl_attr_get_uint32 },
snl_add_msg_attr_u32(&nw, PF_SL_ID, lim->id);
snl_add_msg_attr_u32(&nw, PF_SL_ID, lim->id);
{ .type = PF_SL_ID, .off = _OUT(id), .cb = nlattr_get_uint32 },
nlattr_add_u32(nw, PF_SL_ID, attrs.id);
nlattr_add_u32(nw, PF_SL_ID, attrs.id);