$ ethtool -S enp1s0

STDOUT
NIC statistics:
     tx_packets: 37704807
     rx_packets: 38306583
     tx_errors: 0
     rx_errors: 0
     rx_missed: 0
     align_errors: 0
     tx_single_collisions: 0
     tx_multi_collisions: 0
     unicast: 38306558
     broadcast: 3
     multicast: 22
     tx_aborted: 0
     tx_underrun: 0

STDERR