hp = hash_get_pair (lgm->lisp_stats_index_by_key, &key);
key_copy = (void *) (hp->key);
hash_unset_mem (lgm->lisp_stats_index_by_key, &key);
clib_mem_free (key_copy);
hp = hash_get_pair (lgm->lisp_stats_index_by_key, &key);
key_copy = (void *) (hp->key);
hash_unset_mem (lgm->lisp_stats_index_by_key, &key);
clib_mem_free (key_copy);