Network Error

I have seen Dropped in eth10 to 2494.Dropped this much means what ?and Please help me to know more for netwrok errors.thanks!

----------------------------------------

bond2     Link encap:Ethernet  HWaddr 00:00:C9:D5:DD:CE  
          inet addr:10.22.2.232  Bcast:10.22.2.255  Mask:255.255.255.0
          inet6 addr: fe80::200:c9ff:fed5:ddce/64 Scope:Link
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:337085049 errors:0 dropped:2494 overruns:0 frame:0
          TX packets:678030648 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:192069600121 (178.8 GiB)  TX bytes:872976338635 (813.0 GiB)

eth10     Link encap:Ethernet  HWaddr 00:00:C9:D5:DD:CE  
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:335945737 errors:0 dropped:2494 overruns:0 frame:0
          TX packets:678030648 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:191990963333 (178.8 GiB)  TX bytes:872976338635 (813.0 GiB)
          Memory:9ba00000-9ba20000 

2494 dropped packets out of 200 gigabytes of traffic doesn't look bad at all to me.