Ubuntu 14.04 никакой Интернет

 ubuntu@ubuntu:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr a4:ba:db:f9:36:61  
 UP BROADCAST MULTICAST  MTU:1500  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:1000 
 RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)


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:536 errors:0 dropped:0 overruns:0 frame:0
TX packets:536 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0 
RX bytes:42072 (42.0 KB)  TX bytes:42072 (42.0 KB)



ubuntu@ubuntu:~$ uname -a
Linux ubuntu 4.2.0-27-generic #32~14.04.1-Ubuntu SMP 
Fri Jan 22 15:32:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@ubuntu:~$ lspci -nnk | grep -iA2 net
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co.,
 Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 02)
    Subsystem: Dell Device [1028:02b7]
    Kernel driver in use: r8169
ubuntu@ubuntu:~$ lsmod