Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 3571898   39484    0    0    0     0          0         0  3571898   39484    0    0    0     0       0          0
  eth0: 1320926803  667080    0    0    0     0          0         0  5599535   62549    0    0    0     0       0          0
  eth1: 1496779232  203404    0    0    0     0          0         0 612534068  114536    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: 1439879459  114477    0    0    0     0          0         0 602711174   89561    0    0    0     0       0          0
vlan22:    3160      56    0    0    0     0          0         0     5676      73    0    0    0     0       0          0
vlan20: 31313376   19656    0    0    0     0          0         0  8917385   17064    0    0    0     0       0          0
vlan21:     700      14    0    0    0     0          0         0      126       3    0    0    0     0       0          0
br-int:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
genev_sys_6081:     728      26    0    0    0     0          0         0     1260      45    0    6    0     0       0          0
