Как обнулить статистику сетевого устройства.

вот что выдает ifconfig:

eth0      Link encap:Ethernet  HWaddr 00:00:21:F9:40:AC  
          inet addr:10.0.2.131  Bcast:10.0.2.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9582420 errors:0 dropped:5 overruns:0 frame:2
          TX packets:7623385 errors:0 dropped:0 overruns:0 carrier:0
          collisions:77360 txqueuelen:1000 
          RX bytes:1454362420 (1386.9 Mb)  TX bytes:1546071063 (1474.4 Mb)
          Interrupt:5 Base address:0xe400 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1868771 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1868771 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:679393484 (647.9 Mb)  TX bytes:679393484 (647.9 Mb)

ppp0      Link encap:Point-to-Point Protocol  
          inet addr:X.X.X.X  P-t-P:X.X.X.X Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:152029 errors:97 dropped:0 overruns:0 frame:0
          TX packets:176441 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3 
          RX bytes:116749843 (111.3 Mb)  TX bytes:12977621 (12.3 Mb)

Как сбросить счетчики пакетов?