Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 1505357   20220    0    0    0     0          0         0  1505357   20220    0    0    0     0       0          0
  eth0: 1307274913  536271    0    0    0     0          0         0  5011127   61044    0    0    0     0       0          0
  eth1: 180167695  116660    0    0    0     0          0         0  9225561   72307    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: 124878763   64053    0    0    0     0          0         0  5341942   50615    0    0    0     0       0          0
vlan22:     308       8    0    0    0     0          0         0      168       4    0    0    0     0       0          0
vlan20: 32816166   20266    0    0    0     0          0         0  2994753   13930    0    0    0     0       0          0
vlan21:     756      16    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
