Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo:    2360      30    0    0    0     0          0         0     2360      30    0    0    0     0       0          0
  eth0: 1100813147  457190    0    0    0     0          0         0  4526675   53260    0    0    0     0       0          0
  eth1: 89676697   55088    0    0    0     0          0         0  3495353   32677    0    0    0     0       0          0
ovs-system:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
 br-ex: 68156110   30032    0    0    0     0          0         0  2695666   25210    0    0    0     0       0          0
vlan22:     224       6    0    0    0     0          0         0      216       4    0    0    0     0       0          0
vlan21:     560      12    0    0    0     0          0         0      216       4    0    0    0     0       0          0
vlan20:     560      12    0    0    0     0          0         0      216       4    0    0    0     0       0          0
