cat /proc/net/dev

root@elitereborn:~# cat /proc/net/dev
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo:   53536     706    0    0    0     0          0         0    53536     706    0    0    0     0       0          0
venet0:  194953    2253    0    0    0     0          0         0   483704    1937    0    0    0     0       0          0
root@elitereborn:~#