NFTA_CT_HELPER_NAME
if (!tb[NFTA_CT_HELPER_NAME] || !tb[NFTA_CT_HELPER_L4PROTO])
nla_strscpy(name, tb[NFTA_CT_HELPER_NAME], sizeof(name));
if (nla_put_string(skb, NFTA_CT_HELPER_NAME, helper->name))
[NFTA_CT_HELPER_NAME] = { .type = NLA_STRING,