我正在查看 NIC 统计信息，找不到有关这些数字的任何信息：[0],[1]..[7] 如下所示：
[root@machine-1 ~]# ethtool -S enp21s0f0
NIC statistics:
[0]: rx_bytes: 23048043995115
[0]: rx_ucast_packets: 15462207866
[0]: rx_mcast_packets: 0
[0]: rx_bcast_packets: 497867
[0]: rx_discards: 182348870
[0]: rx_phy_ip_err_discards: 0
[0]: rx_skb_alloc_discard: 0
[0]: rx_csum_offload_errors: 0
[0]: tx_exhaustion_events: 0
[0]: tx_bytes: 252752492903
[0]: tx_ucast_packets: 3121234510
[0]: tx_mcast_packets: 1193
[0]: tx_bcast_packets: 7
[0]: tpa_aggregations: 3083926520
[0]: tpa_aggregated_frames: 14764082568
[0]: tpa_bytes: 22280531307898
[0]: driver_filtered_tx_pkt: 0
[1]: rx_bytes: 22967624549688
[1]: rx_ucast_packets: 15411735203
[1]: rx_mcast_packets: 3941
[1]: rx_bcast_packets: 0
[1]: rx_discards: 179569626
[1]: rx_phy_ip_err_discards: 0
[1]: rx_skb_alloc_discard: 0
[1]: rx_csum_offload_errors: 0
[1]: tx_exhaustion_events: 0
[1]: tx_bytes: 251125804240
[1]: tx_ucast_packets: 3098417333
[1]: tx_mcast_packets: 2
[1]: tx_bcast_packets: 0
[1]: tpa_aggregations: 3074727449
[1]: tpa_aggregated_frames: 14713070673
[1]: tpa_bytes: 22203188664170
[1]: driver_filtered_tx_pkt: 0
...
但我发现，对于 ARP 消息，只有 [0] 值增加了。那么它们意味着什么呢？