[Bug 29976] Problem when lauching my session on gnome

[Nicolas DERIVE]

Public bug report changed:
https://launchpad.net/malone/bugs/29976

Comment:
But "sudo ifup lo" don't seems to resolve this problem, because the
console returns :

nicolas at DERIVE-N:~$ sudo ifup lo
/etc/network/interfaces:20: interface eth0 declared allow-auto twice
ifup: couldn't read interfaces file "/etc/network/interfaces"