Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 29669513   11340    0    0    0     0          0         0 29669513   11340    0    0    0     0       0          0
  eth0: 953594035  333471    0    0    0     0          0         0  3397861   38713    0    0    0     0       0          0
  eth1: 68474783   61050    0    0    0     0          0         0 30184488   46871    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: 50702293   42635    0    0    0     0          0         0 27429033   38557    0    0    0     0       0          0
vlan22:    1064      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan20:    1232      21    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 2731338    3231    0    0    0     0          0         0  2172944    3024    0    0    0     0       0          0
vlan21:    1064      18    0    0    0     0          0         0      658       9    0    0    0     0       0          0
