Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 20553829    3711    0    0    0     0          0         0 20553829    3711    0    0    0     0       0          0
  eth0: 877081740  250017    0    0    0     0          0         0  3054595   33163    0    0    0     0       0          0
  eth1: 60897961   40782    0    0    0     0          0         0 20271070   33682    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: 44932568   29294    0    0    0     0          0         0 18304072   26502    0    0    0     0       0          0
vlan22:    1064      17    0    0    0     0          0         0      748      10    0    0    0     0       0          0
vlan21:    1036      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 1493231    1610    0    0    0     0          0         0  1376177    1699    0    0    0     0       0          0
vlan20:    1232      21    0    0    0     0          0         0      658       9    0    0    0     0       0          0
