BPF_T_NANOTIME
case BPF_T_NANOTIME:
#define BPF_T_NANOTIME_FAST (BPF_T_NANOTIME | BPF_T_FAST)
#define BPF_T_NANOTIME_MONOTONIC (BPF_T_NANOTIME | BPF_T_MONOTONIC)
#define BPF_T_NANOTIME_MONOTONIC_FAST (BPF_T_NANOTIME | BPF_T_MONOTONIC_FAST)