Additionally (due to personal experience) it might be worth checking whether linux-image-extra-4.4.0-77* got installed. Not sure how that could happen but it seems update-manager offered to install linux-image and linux-image-signed without any of the other packages which should be installed at the same time (I had no headers either which impacts anything dkms related). This morning, from an older kernel boot, an "sudo apt-get update; sudo apt-get dist-upgrade" was installing the missing kernel packages.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1687623 Title: 4.4.0-77-generic breaks internet on 16.04.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1687623/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
