Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 7981748    3438    0    0    0     0          0         0  7981748    3438    0    0    0     0       0          0
  eth0: 879712369  280652    0    0    0     0          0         0  2926290   32007    0    0    0     0       0          0
  eth1: 55031809   42652    0    0    0     0          0         0 14027707   30628    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: 38672297   25931    0    0    0     0          0         0 11478697   22683    0    0    0     0       0          0
vlan22:    1064      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 1640338    2659    0    0    0     0          0         0  1968567    2677    0    0    0     0       0          0
vlan20:    1204      20    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan21:    1036      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
