What does the 'RX-ERR' field mean in the output of netstat -ni and how can we reset the counter to zero?

Issue

• The command netstat -ni  provides the following ouput:

   $ netstat -ni 
  Kernel Interface table 
  Iface       MTU Met    RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg 
  bond0      1500   0 11478884024      1      0      0 10839407001      0      0      0 BMmRU 
  eth0       1500   0 11430661445      1      0      0 10839406998      0      0      0 BMsRU 
  eth1       1500   0 48222579      0      0      0        3      0      0      0 BMOsRU 
  lo        16436   0 73241288613      0      0      0 73241288613      0      0      0 LRU 
  

• What do the netstat -i error counts mean?

• How can we reset the netstat counters?