Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 12423822    4025    0    0    0     0          0         0 12423822    4025    0    0    0     0       0          0
  eth0: 883743161  355770    0    0    0     0          0         0  3092145   33961    0    0    0     0       0          0
  eth1: 60852919   43020    0    0    0     0          0         0 18067687   34376    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: 44555716   29444    0    0    0     0          0         0 15500665   26596    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
vlan23: 1715844    2304    0    0    0     0          0         0  1973571    2282    0    0    0     0       0          0
vlan21:    1140      19    0    0    0     0          0         0      658       9    0    0    0     0       0          0
