1BPF_ADD 0x00 2BPF_SUB 0x10 3BPF_MUL 0x20 4BPF_DIV 0x30 5BPF_OR 0x40 6BPF_AND 0x50 7BPF_LSH 0x60 8BPF_RSH 0x70 9BPF_NEG 0x80 10BPF_MOD 0x90 11BPF_XOR 0xa0 12BPF_MOV 0xb0 13BPF_ARSH 0xc0 14BPF_END 0xd0 15