In my case, commenting out the following lines in /etc/network/interfaces fixed this issue as well as the issue of Network Manager not starting on startup, two issues which had cropped up after an upgrade to ubuntu 12.04....
auto dsl-provider iface dsl-provider inet ppp pre-up /sbin/ifconfig eth0 up # line maintained by pppoeconf provider dsl-provider auto eth0 iface eth0 inet dhcp Commenting out the last two lines alone did not help... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/900903 Title: "Waiting for network configuration" due to uncommented 'auto' lines in /etc/network/interfaces (historical installer/upgradebug?) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/900903/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
