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From Roman Ledovskiy <>
Subject RE: ethNone problem with VPC
Date Fri, 16 Jun 2017 07:38:57 GMT

Yes, I have traffic labels setup for my networks   (2 guest networks with different tags and
1 public).  Advanced network setup / Centos-7.x on hypervisors.

I enabled debug on hypervisor and tried to restart router VM via Cloudstack GUI.  Since its
config overwritten I presume something happens exactly at this stage..
Here it is:

I really can't see anything wrong in there. It correctly associates VPC public interface with
my bridge for public network (brenp6s0-904)


-----Original Message-----
From: Simon Weller [] 
Sent: Friday, 16 June, 2017 5:40 AM
Subject: Re: ethNone problem with VPC


Do you have a traffic label setup for your public network?

Can you put the host in debug mode:

- Si

From: Roman Ledovskiy <>
Sent: Wednesday, June 14, 2017 7:59 AM
Subject: ethNone problem with VPC

Hi Everyone,

Does anyone encounter "ethNone" interfaces in VPC routers?

I'm running cloudstack with KVM hypervisor and every time I create VPC router it fails
to do proper setup, with errors:
Traceback (most recent call last):
  File "/opt/cloud/bin/", line 931, in main
  File "/opt/cloud/bin/cs/", line 103, in process
    ip = CsIP(dev, self.config)
  File "/opt/cloud/bin/cs/", line 256, in __init__
    self.dnum = hex(int(dev[3:]))
ValueError: invalid literal for int() with base 10: 'None'

Only local link IP (eth0) is up.

/etc/cloudstack/ips.json inside my VPC routers always look like this (I guess this explains
    "eth0": [
            "add": true,
            "broadcast": "",
            "cidr": "",
            "device": "eth0",
    "ethNone": [
            "add": true,
            "broadcast": "X.Y.Z.255",
            "cidr": "Y.Y.Z.43/24",
            "device": "ethNone",
    "id": "ips"

X.Y.Z.0/24 is my public network

If I manually edit /etc/cloudstack/ips.json (change ethNone to eth1) - then restart VPC router
manually (via virsh) - everything works, interfaces/iptables are up..
Until next time I do anything with this VPC from GUI - then ethNone reappears and everything
is broken again..

Appreciate if anyone has any thoughts.


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