ifconfig -a
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

qr-be3edadb-eb Link encap:Ethernet  HWaddr fa:16:3e:2b:7e:3c
          inet6 addr: fe80::f816:3eff:fe2b:7e3c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:8950  Metric:1
          RX packets:234 errors:0 dropped:4 overruns:0 frame:0
          TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:22096 (22.0 KB)  TX bytes:1018 (1.0 KB)