Ubuntu server holding back on me

[Kevin O'Gorman]

I've just started using Ubuntu Server on a couple of extra machines.  I'm a
bit puzzled about the situation I see there with respect to updates.

When I log in remotely, I see

Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-62-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

7 packages can be updated.
7 updates are security updates.


Last login: Thu Sep 21 11:31:12 2017

But when I try to get the indicated updates, I see:
root at gog:~# apt-get update
Hit:1 http://us.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 http://security.ubuntu.com/ubuntu xenial-security InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease
Reading package lists... Done
root at gog:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  linux-generic linux-headers-generic linux-image-generic
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.

And indeed the kernel is at 4.4.0-62, while my non-server installs are at
4.4.0-96.  Is the holdback related to the "InRelease" status?

Is there any reason I should not get an upgraded kernel, and if so, how do
I do that.

-- 
Kevin O'Gorman
#define QUESTION ((bb) || (!bb))   /* Shakespeare */

Please consider the environment before printing this email.
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