Open Stack

Hi there,
I have an openstack environment with one controller (nova, cinder, 
neutron, glance) where everything works fine.
I'm adding a compute node and I'm experiencing some problem, and I think 
I'm forgetting something to do: nova-compute/kvm works fine (it's a 
second node in the same zone and instances launched correctly), network 
side does not work: in the Horizon dashboard I can see that an internal 
ip is assigned, but really the VM hasn't any ip address configured. Same 
behaviour for floating ip.
On the console of the machine I can see errors during cloud-init 
startup: it cannot contact http://169.254.169.25 port 80 ....

Please, what I'm missing and which is the neutron configuration I shall 
have on the second compute node ?

Thanks and regards
Fiorenza

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