Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 20466194    4143    0    0    0     0          0         0 20466194    4143    0    0    0     0       0          0
  eth0: 660462958   61095    0    0    0     0          0         0  1054142   12985    0    0    0     0       0          0
  eth1: 28894230   24419    0    0    0     0          0         0 14602561   20271    0    0    0     0       0          0
ovs-system:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
vlan20:    1148      18    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan22:     980      15    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan21:     980      15    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 1241260    1545    0    0    0     0          0         0  1199888    1438    0    0    0     0       0          0
 br-ex: 27192320   20700    0    0    0     0          0         0 13395023   18810    0    0    0     0       0          0
