Are you able to manually download the .deb packages from those pages and used dpkg to install them:
sudo dpkg -i linux-image-4.14.0-13-generic_4.14.0-13.15_amd64.deb sudo dpkg -i linux-image-extra-4.14.0-13-generic_4.14.0-13.15_amd64.deb
If we cant install earlier kernels, we may have to used a different method of debugging than a bisect.
Are you able to manually download the .deb packages from those pages and used dpkg to install them:
sudo dpkg -i linux-image- 4.14.0- 13-generic_ 4.14.0- 13.15_amd64. deb extra-4. 14.0-13- generic_ 4.14.0- 13.15_amd64. deb
sudo dpkg -i linux-image-
If we cant install earlier kernels, we may have to used a different method of debugging than a bisect.