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cloud-init-nonet waiting and fails

asked 2014-04-28 13:08:31 -0500

Diplomat gravatar image


I have a strange problem.. when I'm booting ubuntu, then it fails like that:

 * Starting configure network device[74G[ OK ]
 * Stopping cold plug devices[74G[ OK ]
 * Stopping log initial device creation[74G[ OK ]
 * Starting load fallback graphics devices[74G[ OK ]
 * Starting load fallback graphics devices[74G[[31mfail[39;49m]
 * Starting enable remaining boot-time encrypted block devices[74G[ OK ]
Cloud-init v. 0.7.5 running 'init-local' at Mon, 28 Apr 2014 17:32:54 +0000. Up 4.27 seconds.
cloud-init-nonet[4.54]: waiting 10 seconds for network device
cloud-init-nonet[14.57]: waiting 120 seconds for network device
cloud-init-nonet[134.57]: gave up waiting for a network device.
Cloud-init v. 0.7.5 running 'init' at Mon, 28 Apr 2014 17:35:04 +0000. Up 134.67 seconds.
ci-info: +++++++++++++++++++++++Net device info+++++++++++++++++++++++
ci-info: +--------+------+-----------+-----------+-------------------+
ci-info: | Device |  Up  |  Address  |    Mask   |     Hw-Address    |
ci-info: +--------+------+-----------+-----------+-------------------+
ci-info: |   lo   | True | | |         .         |
ci-info: |  eth0  | True |     .     |     .     | fa:16:3e:92:6b:0f |
ci-info: +--------+------+-----------+-----------+-------------------+
ci-info: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Route info failed!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Any ideas what might be the problem? I have Googled everything, but no results

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3 answers

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answered 2014-05-02 13:30:28 -0500

dmsimard gravatar image

updated 2014-05-02 14:43:33 -0500

Have you found a solution ? Found the problem, read my edit below.

I'm also trying to get 14.04 working with Cloud-init v0.7.5. I'm having the same problem.

If I boot 20 VMs with the same 14.04 image, maybe half of them will not ping and I get that error message in the console logs.

What I've found is that soft rebooting the VM will make it ping again.

I also logged to the VM in console, did a "ifdown eth0 && ifup eth0" and the VM started pinging.

Still investigating...

Edit: Found the problem.

I am not using DHCP networks in Openstack, instead relying on Neutron to provide an available address that cloud-init configures when the VM boots.

I use Ubuntu's cloud images ( ( ).

What I learned is that the layout of the interfaces have changed. Instead of just /etc/network/interfaces, you now also have /etc/network/interfaces.d/<interface>.

Now, provided in the image, there is a /etc/network/interfaces.d/eth0 in which you'll find it configured for DHCP:

# The primary network interface
auto eth0
iface eth0 inet dhcp

When cloud-init starts doing it's stuff, it will configure eth0 inside /etc/network/interfaces - as such:

# Injected by Nova on instance boot
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static

This means you'll end up with two eth0 interfaces configured if the one in interfaces.d is not removed - therefore explaining why 50-60% of my VMs were not pinging, probably running into a race condition.

I filed a bug against cloud-init: (

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I can't log into the instance to delete, is another work around from compute node or neutron server?

bobyakov gravatar imagebobyakov ( 2015-04-21 10:02:15 -0500 )edit

answered 2016-01-10 09:38:46 -0500

This works for me:

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answered 2017-06-13 02:59:42 -0500

A similar problem cropped up with VirtualBox and ubuntu/trusty32 installed with vagrant. In this case, the problem was an unsupported ethernet card and switching VirtualBox to use a different adapter type fixed the problem. See, for example, (

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Asked: 2014-04-28 13:08:31 -0500

Seen: 22,856 times

Last updated: May 02 '14