The following packages will be REMOVED:
  apparmor apport biosdevname cgroupfs-mount cloud-guest-utils cloud-init console-setup dmsetup e2fsprogs eject friendly-recovery
  grub-common grub-gfxpayload-lists grub-pc grub-pc-bin grub2-common ifupdown initramfs-tools initscripts insserv kbd
  libcryptsetup4 libdevmapper1.02.1 libpam-systemd libparted2 linux-generic linux-image-3.16.0-21-generic
  linux-image-3.16.0-23-generic linux-image-3.16.0-24-generic linux-image-extra-3.16.0-21-generic
  linux-image-extra-3.16.0-23-generic linux-image-extra-3.16.0-24-generic linux-image-generic mountall mysql-server-5.6
  openssh-server parted plymouth plymouth-theme-ubuntu-text policykit-1 ppp pppconfig pppoeconf procps resolvconf rsyslog run-one
  systemd sysv-rc ubuntu-minimal ubuntu-standard udev upstart upstart-bin ureadahead util-linux wpasupplicant
WARNING: The following essential packages will be removed.