Internet disconnect

~$ cat /etc/resolv.conf
nameserver 8.8.8.8

~$ ls -l /etc/resolv.conf
-rw-r--r-- 1 root root 19 Jun  5 09:20 /etc/resolv.conf

~$ ls -l /run/resolvconf
total 0
drwxr-xr-x 2 root root 40 Jun 12 09:25 interface
-rw-r--r-- 1 root root  0 Jun 12 09:25 postponed-update

~$ ls -l /run/resolvconf/interface
total 0

~$ ifconfig
eth3      Link encap:Ethernet  HWaddr f0:4d:a2:9d:40:fe
          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)

eth4      Link encap:Ethernet  HWaddr c0:cb:38:5b:0a:b6
          inet addr:10.10.1.76  Bcast:10.10.1.255  Mask:255.255.255.0
          inet6 addr: fe80::c2cb:38ff:fe5b:ab6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10227 errors:0 dropped:1 overruns:0 frame:9999
          TX packets:8225 errors:6 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:7596705 (7.5 MB)  TX bytes:1751288 (1.7 MB)
          Interrupt:17

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:16436  Metric:1
          RX packets:1745 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1745 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:434561 (434.5 KB)  TX bytes:434561 (434.5 KB)