Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 1321892   17483    0    0    0     0          0         0  1321892   17483    0    0    0     0       0          0
  eth0: 1383811291  684671    0    0    0     0          0         0  5447516   66183    0    0    0     0       0          0
  eth1: 202017201  107011    0    0    0     0          0         0  9154930   68689    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: 146874297   60537    0    0    0     0          0         0  5107345   48314    0    0    0     0       0          0
vlan22:    1728      21    0    0    0     0          0         0     2120      18    0    0    0     0       0          0
vlan20: 33047379   18544    0    0    0     0          0         0  3168348   12613    0    0    0     0       0          0
vlan21:     644      14    0    0    0     0          0         0      168       4    0    0    0     0       0          0
br-int:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
