Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 59775622   26949    0    0    0     0          0         0 59775622   26949    0    0    0     0       0          0
  eth0: 823494755  298333    0    0    0     0          0         0  3317533   34911    0    0    0     0       0          0
  eth1: 52508131   47561    0    0    0     0          0         0 36548689   39154    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: 36540967   32954    0    0    0     0          0         0 33938767   32009    0    0    0     0       0          0
vlan22:    1092      18    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan21:    1036      17    0    0    0     0          0         0      658       9    0    0    0     0       0          0
vlan23: 1233414    1653    0    0    0     0          0         0  2013304    1644    0    0    0     0       0          0
vlan20:    1204      20    0    0    0     0          0         0      658       9    0    0    0     0       0          0
