You should now update linux-purge. See: https://git.launchpad.net/linux-purge/commit/?id=a520d707ac59a2e041f87237a6644ca93844a3cf In your case you want to have linux-generic-hwe-16.04 installed, not linux-generic.
You should now update linux-purge. See: https:/ /git.launchpad. net/linux- purge/commit/ ?id=a520d707ac5 9a2e041f87237a6 644ca93844a3cf hwe-16. 04 installed, not linux-generic.
In your case you want to have linux-generic-