Le 26/01/2017 à 09:03, Gianluca Cecchi a écrit :
On Thu, Jan 26, 2017 at 8:45 AM, Pavel Gashev <p...@acronis.com
<mailto:p...@acronis.com>> wrote:

    Gianluca,

    It looks like VM doesn't receive broadcasts. It can be a network
    topology issue.
    Could you double check /sys/class/net/bond1/bonding/mode and
    /sys/class/net/bond1/bonding/slaves ?

    Is it possible you have another VM with the same MAC address in the
    same network segment?


Pavel, I think you are right! Thanks!
I didn't take into consideration that there is another oVirt environment
that has some VMs on this vlan..
And I found a VM with the same mac 00:1a:4a:16:01:51 (and a different ip)
Now I powered off that other VM, restarted my one and things seem ok.

What is the best way to manage when more oVirt environments has VMs on
the same vlans?

I encountered the same problem some years ago, as we have multiple oVirt environnements.
We decided to assign specific MAC pools for each env to avoid overlapping.

--
Nicolas ECARNOT
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