test/etc_network_interfaces/proc_net_dev

   1 Inter-|   Receive                                                |  Transmit
   2  face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
   3  vmbr0:    0          0    0    0    0     0          0         0     0          0    0    0    0     0       0          0
   4   eth0:    0          0    0    0    0     0          0         0     0          0    0    0    0     0       0          0
   5     lo:    0          0    0    0    0     0          0         0     0          0    0    0    0     0       0          0