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From Sangeetha Hariharan <>
Subject RE: Not able to start System Vms on KVM host
Date Mon, 28 Jan 2013 23:40:43 GMT

I have not set any specific traffic labels/network bridge and let the cloud stack create the
default network labels.

[root@Rack3Host4 ~]# brctl show
bridge name     bridge id               STP enabled     interfaces
cloud0          8000.000000000000       no
cloudbr0                8000.bc305bd41f86       no              em1
virbr0          8000.525400463d1f       yes             virbr0-nic
[root@Rack3Host4 ~]#

[root@Rack3Host4 ~]# ls  /sys/devices/virtual/net
cloud0  cloudbr0  lo  virbr0  virbr0-nic
[root@Rack3Host4 ~]#


-----Original Message-----
From: Marcus Sorensen [] 
Sent: Monday, January 28, 2013 3:33 PM
Subject: Re: Not able to start System Vms on KVM host

What does the output of 'brctl show' give?

What do you see in ls  /sys/devices/virtual/net?

What is your advanced network config (which physical devices, which bridges, which traffic
labels are set for which traffic types)?

It looks like it's not finding the parent eth/bond device of the bridge you specified via
traffic label.

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