Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 3891711   41697    0    0    0     0          0         0  3891711   41697    0    0    0     0       0          0
  eth0: 1463447576  957014    0    0    0     0          0         0  5035856   55304    0    0    0     0       0          0
  eth1: 1987826285  253467    0    0    0     0          0         0 472977818  123580    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: 1927317504  124202    0    0    0     0          0         0 461784643   98085    0    0    0     0       0          0
vlan22:    1244      29    0    0    0     0          0         0    13372     146    0    0    0     0       0          0
vlan20: 32098391   19602    0    0    0     0          0         0 10285306   17635    0    0    0     0       0          0
vlan21:    4412      75    0    0    0     0          0         0      126       3    0    0    0     0       0          0
br-int:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
genev_sys_6081:     168       6    0    0    0     0          0         0     3472     124    0    6    0     0       0          0
