Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo:    1064      14    0    0    0     0          0         0     1064      14    0    0    0     0       0          0
  eth0: 1101425902  461166    0    0    0     0          0         0  4504436   53912    0    0    0     0       0          0
  eth1: 89789864   56598    0    0    0     0          0         0  3514340   32922    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: 68212377   31120    0    0    0     0          0         0  2710668   25477    0    0    0     0       0          0
vlan22:     356       9    0    0    0     0          0         0      126       3    0    0    0     0       0          0
vlan21:     692      15    0    0    0     0          0         0      216       4    0    0    0     0       0          0
vlan20:     692      15    0    0    0     0          0         0      216       4    0    0    0     0       0          0
