Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 1521949   20621    0    0    0     0          0         0  1521949   20621    0    0    0     0       0          0
  eth0: 1331186982  840401    0    0    0     0          0         0  4711037   56128    0    0    0     0       0          0
  eth1: 174526580   95597    0    0    0     0          0         0  9048311   65394    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: 119854900   52496    0    0    0     0          0         0  4965646   46168    0    0    0     0       0          0
vlan22:     280       8    0    0    0     0          0         0      258       5    0    0    0     0       0          0
vlan21:     672      15    0    0    0     0          0         0      258       5    0    0    0     0       0          0
vlan20: 32878582   17999    0    0    0     0          0         0  3240054   11953    0    0    0     0       0          0
br-int:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
