BPF_MAP_CREATE 0
BPF_MAP_LOOKUP_ELEM 1
BPF_MAP_UPDATE_ELEM 2
BPF_MAP_DELETE_ELEM 3
BPF_MAP_GET_NEXT_KEY 4
BPF_PROG_LOAD 5
BPF_OBJ_PIN 6
BPF_OBJ_GET 7
BPF_PROG_ATTACH 8
BPF_PROG_DETACH 9