when trying to install the lxd package, lxc fails to install

[majid hussain]

here is the output of trying to install the lxd package.
Script started on Sat 31 Oct 2015 18:24:45 GMT
]0;majid@majid-top: ~majid@majid-top:~$ sudo apt-get install lxd
[sudo] password for majid:

Reading package lists... 0%

Reading package lists... 100%

Reading package lists... Done

Building dependency tree... 0%

Building dependency tree... 0%

Building dependency tree... 1%

Building dependency tree... 50%

Building dependency tree... 50%

Building dependency tree... 55%

Building dependency tree

Reading state information... 0%

Reading state information... 0%

Reading state information... Done

lxd is already the newest version.
0 to upgrade, 0 to newly install, 0 to remove and 5 not to upgrade.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y

Setting up lxc (1.1.4-0ubuntu1.1) ...
Job for lxc-net.service failed because the control process exited with error code. See "systemctl status lxc-net.service" and "journalctl -xe" for details.
invoke-rc.d: initscript lxc-net, action "start" failed.
dpkg: error processing package lxc (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of lxc-templates:
 lxc-templates depends on lxc (>= 0.8.0~rc1-4ubuntu43); however:
  Package lxc is not configured yet.

dpkg: error processing package lxc-templates (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of lxd:
 lxd depends on lxc; however:
  Package lxc is not configured yet.

dpkg: error processing package lxd (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
 lxc
 lxc-templates
 lxd
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)
]0;majid@majid-top: ~majid@majid-top:~$ sudo dpktg --configure lxc
Setting up lxc (1.1.4-0ubuntu1.1) ...
Job for lxc-net.service failed because the control process exited with error code. See "systemctl status lxc-net.service" and "journalctl -xe" for details.
invoke-rc.d: initscript lxc-net, action "start" failed.
dpkg: error processing package lxc (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 lxc
even when doing a dpkg -configure it fails to install.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lxc 1.1.4-0ubuntu1.1
Uname: Linux 4.2.0-40-bfq i686
ApportVersion: 2.19.1-0ubuntu4
Architecture: i386
CurrentDesktop: MATE
Date: Sat Oct 31 18:18:30 2015
KernLog:

SourcePackage: lxc
UpgradeStatus: No upgrade log present (probably fresh install)
defaults.conf:
 lxc.network.type = veth
 lxc.network.link = lxcbr0
 lxc.network.flags = up
 lxc.network.hwaddr = 00:16:3e:xx:xx:xx

[Serge Hallyn (serge-hallyn)]

Oct 31 18:12:17 majid-top lxc-net[6891]: iptables v1.4.21: can't initialize iptables table `nat': Table does not exist (do you need to insmod?)
Oct 31 18:12:17 majid-top lxc-net[6891]: Perhaps iptables or your kernel needs to be upgraded.
Oct 31 18:12:17 majid-top lxc-net[6891]: Failed to setup lxc-net.

[Stéphane Graber (stgraber)]

Looks like the iptables modules aren't present or couldn't be loaded.
If so, failing to start lxc-net is the right outcome.

Can you tell us what kernel version you're running and what "sudo modprobe iptable_nat" says on your system?

[Launchpad Janitor (janitor)]

[Expired for lxc (Ubuntu) because there has been no activity for 60 days.]