shell@android:/ $ cat /proc/net/dev
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
  rmnet0: 221440384  284583    0    0    0     0          0         0 47010839  286492    0    0    0     0       0          0
  tun0: 183278048  153344    0    0    0     0          0         0 59545053  110084    0    0    0     0       0          0
  tun2: 2867391   47787    0    0    0     0          0         0 134457320   95710    0    0    0     0       0          0
  tun1: 1731304   28839    0    0    0     0          0         0 78542878   56000    0    0    0     0       0          0
  tun3:  388280    6468    0    0    0     0          0         0 17196968   12327    0    0    0     0       0          0
shell@android:/ $ cat /proc/net/dev
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
  rmnet0: 226583637  324690    0    0    0     0          0         0 59900681  366390    0    0    0     0       0          0
  tun0: 183998639  165205    0    0    0     0          0         0 95266592  135532    0    0    0     0       0          0
  tun2: 4399147   73316    0    0    0     0          0         0 207097172  147378    0    0    0     0       0          0
  tun1: 1772116   29519    0    0    0     0          0         0 80117830   57125    0    0    0     0       0          0
  tun3:  424416    7070    0    0    0     0          0         0 18485132   13247    0    0    0     0       0          0
shell@android:/ $