[libvirt-users] How can I set the advertised value of MTU for virbr0 interface?

[George Trakatelis]

Hi all, 
 
I want to set the advertised value of MTU 
for virbr0 interface on a Fedora 21 host to 1454 
to accommodate the installation of new VMs for testing purposes. 
The aforementioned host is an OpenStack VM actually, 
which explains the need for a lower than 1500 MTU. 
 
I noticed Pieter Hollants' patch to set 
dhcp-option=<number>,"<value>" for an interface, 
but it seems that it has not been implemented yet. 
 
Is there a possibility to have such an option? 
 
George 

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