Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 21688131    4794    0    0    0     0          0         0 21688131    4794    0    0    0     0       0          0
  eth0: 878466912  258085    0    0    0     0          0         0  2938031   32242    0    0    0     0       0          0
  eth1: 59612839   40463    0    0    0     0          0         0 17376915   33065    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: 43547410   28623    0    0    0     0          0         0 15837292   26184    0    0    0     0       0          0
vlan22:    1064      17    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
vlan20:    1204      20    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 1582295    1630    0    0    0     0          0         0   962582    1582    0    0    0     0       0          0
