bpf_array_get_next_key
int bpf_array_get_next_key(struct bpf_map *map, void *key, void *next_key);
.map_get_next_key = bpf_array_get_next_key,
.map_get_next_key = bpf_array_get_next_key,
.map_get_next_key = bpf_array_get_next_key,
.map_get_next_key = bpf_array_get_next_key,
.map_get_next_key = bpf_array_get_next_key,
.map_get_next_key = bpf_array_get_next_key,
.map_get_next_key = bpf_array_get_next_key,