Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating the changes
Calculating the changes
Do you want to start the upgrade?
69 installed packages are no longer supported by Canonical. You can
still get support from the community.
41 packages are going to be removed. 227 new packages are going to be
installed. 1634 packages are going to be upgraded.
Installing the upgrade can take several hours. Once the download has
finished, the process cannot be canceled.
Continue [yN] Details [d]
Restoring original system state
Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done