Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 2416154   32503    0    0    0     0          0         0  2416154   32503    0    0    0     0       0          0
  eth0: 1324571503  727059    0    0    0     0          0         0  6455706   60522    0    0    0     0       0          0
  eth1: 1213657857 2610137    0    0    0     0          0         0 2230655950 1321523    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: 147421102   63437    0    0    0     0          0         0  6253569   51220    0    0    0     0       0          0
vlan22:     252       6    0    0    0     0          0         0      168       4    0    0    0     0       0          0
vlan21:     812      16    0    0    0     0          0         0      168       4    0    0    0     0       0          0
vlan20: 999011858 2517132    0    0    0     0          0         0 2218523618 1262508    0    0    0     0       0          0
br-int:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
