Although your kernel build string contains "16.04.1", you are probably running all up to date.
Your kernel build string does not indicate the state of the packages your system has installed. The tool to use is lsb_release
. E.g.:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
Your kernel installed appears to be the hardware enablement variant: linux-image-generic-hwe-16.04. The one you are running is the latest one available.
lsb_release -d
. – Chai T. Rex Oct 01 '17 at 20:29sudo apt update && sudo apt full-upgrade -y
– Sirajus Salekin Oct 02 '17 at 06:30