Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 17933018    4359    0    0    0     0          0         0 17933018    4359    0    0    0     0       0          0
  eth0: 883374348  346595    0    0    0     0          0         0  2669144   29134    0    0    0     0       0          0
  eth1: 56861600   40417    0    0    0     0          0         0 19059729   32467    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: 40368465   27860    0    0    0     0          0         0 17005962   24758    0    0    0     0       0          0
vlan22:    1064      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 2012683    2450    0    0    0     0          0         0  1463156    2255    0    0    0     0       0          0
vlan20:    1232      20    0    0    0     0          0         0      748      10    0    0    0     0       0          0
vlan21:    1008      16    0    0    0     0          0         0      748      10    0    0    0     0       0          0
