Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 84700526   35318    0    0    0     0          0         0 84700526   35318    0    0    0     0       0          0
  eth0: 1146895513  287332    0    0    0     0          0         0  4165669   45300    0    0    0     0       0          0
  eth1: 61023698   58900    0    0    0     0          0         0 51843607   51239    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: 44751704   43862    0    0    0     0          0         0 49082381   43640    0    0    0     0       0          0
vlan22:    1008      16    0    0    0     0          0         0      748      10    0    0    0     0       0          0
vlan20:    1176      19    0    0    0     0          0         0      748      10    0    0    0     0       0          0
vlan23: 1378986    2181    0    0    0     0          0         0  2171416    2232    0    0    0     0       0          0
vlan21:    1008      16    0    0    0     0          0         0      748      10    0    0    0     0       0          0
