NFC_ATTR_SE_APDU
nla_put(msg, NFC_ATTR_SE_APDU, apdu_len, apdu))
!info->attrs[NFC_ATTR_SE_APDU])
apdu_len = nla_len(info->attrs[NFC_ATTR_SE_APDU]);
apdu = nla_data(info->attrs[NFC_ATTR_SE_APDU]);
[NFC_ATTR_SE_APDU] = { .type = NLA_BINARY },