[libvirt-users] libvirt/dnsmasq is not adhering to static DHCP assignments

[Michal Privoznik]

On 8/1/19 4:21 AM, Christian Kujau wrote:
> This is basically a continuation of an older posting[0] I found, but
> apparently no solution has been posted. So, I'm trying to setup static
> DHCP leases with dnsmasq that is being started by libvirtd:
> 
> 
> -----------------------------------------------------------
> $ sudo virsh net-dumpxml --network default
> <network>
>    [...]
>    <dns enable='no'/>
>    <ip address='192.168.122.1' netmask='255.255.255.0'>
>      <dhcp>
>        <range start='192.168.122.130' end='192.168.122.250'/>
>        <host mac='08:00:27:e2:81:39' name='f30' ip='192.168.56.139'/>

This is clearly a misconfiguration. 192.168.56.139 is not from 
192.168.122.130/24 subnet. Libvirt should report an error in this case 
but it doesn't (tested right now with the current git HEAD), which is a 
bug. I believe if you'd s/56/122/ in the <host/> you'll find it working 
again.

Michal