Comment 4 for bug 1533833

Ah, right, that explains things: I'm running a xenial kernel, I think.

For completeness sake, these are the versions:

[bas@miranda]~> uname -a
Linux miranda 4.3.0-5-generic #16-Ubuntu SMP Wed Dec 16 23:33:25 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
[bas@miranda]~> dpkg -l linux-image-\* systemd
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-============-============-=================================
un linux-image-3. <none> <none> (no description available)
ii linux-image-4. 4.2.0-23.28 amd64 Linux kernel image for version 4.
ii linux-image-4. 4.3.0-5.16 amd64 Linux kernel image for version 4.
ii linux-image-ex 4.2.0-23.28 amd64 Linux kernel extra modules for ve
ii linux-image-ex 4.3.0-5.16 amd64 Linux kernel extra modules for ve
ii linux-image-ge 4.2.0.23.25 amd64 Generic Linux kernel image
ii systemd 225-1ubuntu9 amd64 system and service manager