Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  bbswitch-dkms nvidia-prime snap-confine
Use 'sudo apt autoremove' to remove them.
The following packages have been kept back:
  gnome-software gnome-software-common linux-generic-hwe-16.04
  linux-headers-generic-hwe-16.04 linux-image-generic-hwe-16.04
  python3-software-properties software-properties-common
  software-properties-gtk ubuntu-software
0 to upgrade, 0 to newly install, 0 to remove and 9 not to upgrade.