Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 81269882   34258    0    0    0     0          0         0 81269882   34258    0    0    0     0       0          0
  eth0: 1152411139  370626    0    0    0     0          0         0  3712495   39485    0    0    0     0       0          0
  eth1: 64648647   59188    0    0    0     0          0         0 49848737   50931    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: 47767331   43278    0    0    0     0          0         0 46895469   42544    0    0    0     0       0          0
vlan22:    1064      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan20:    1336      22    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan21:    1112      18    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 1976188    2969    0    0    0     0          0         0  2351104    2875    0    0    0     0       0          0
