IOAM6_ATTR_NS_DATA
data32 = nla_get_u32_default(info->attrs[IOAM6_ATTR_NS_DATA],
nla_put_u32(skb, IOAM6_ATTR_NS_DATA, data32)) ||
[IOAM6_ATTR_NS_DATA] = { .type = NLA_U32 },