Hi Erik,

did you try to get the bond interface created by OLVM/oVirt engine ?
Are your OL8 systems updated to the latest for all packages ?

Simon

> On Mar 17, 2025, at 9:18 AM, e...@linux.com wrote:
> 
> Hi
> 
> We are trying to create a cluster using OLVM 4.5 (with an up to date
> OEL8 kernel) with a bond of 2 virtual interfaces (mode 2 XOR) that we
> have set up with NetworkManager prior to adding the KVM host to oVirt.
> 
> Hosts are added successfully and we can see the two physical NICs
> (eth0/eth1) in the Setup Host Networks dialog, however the bond0 device
> is hidden as are the virtual slave interfaces (so we cannot create the
> bond in oVirt either).
> 
> It appears the bond0 is sent to oVirt by VDSM as we see it is
> continually sent in the vdsm log file from the host as well as listed
> in the capabilities using vdsm-client. We didn't find obvious errors in
> ovirt-engine.log or in host-deploy or in the vdsm logs on the KVM hosts.
> 
> We assume there is some validation or filtering oVirt uses that is
> hiding the bond / slave interfaces and that maybe our slave interfaces
> are missing some property oVirt wants but we cannot find it in the code
> in order to work around this - any pointers appreciated.
> 
> Thanks
> 
> Erik
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