I will close this as 4.13 is not supported anymore. Please feel free to open a new bug report if you have encounter this again.
** Changed in: linux-hwe (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1744850 Title: package linux-image-extra-4.13.0-31-generic (not installed) failed to install/upgrade: unable to open '/lib/modules/4.13.0-31-generic/kernel/drivers/net/can/slcan.ko.dpkg- new': Operation not permitted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1744850/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs