static size_t longest_prefix_match(const struct lpm_trie *trie,
				   const struct lpm_trie_node *node,
				   const struct bpf_lpm_trie_key *key)
static size_t longest_prefix_match(const struct lpm_trie *trie,
				   const struct lpm_trie_node *node,
				   const struct bpf_lpm_trie_key_u8 *key)