Virtual IPs in different networks supported?

Hi,

I'm trying to load balance traffic from different physical networks with a KVM virtualized seesaw.
Is there any seesaw configuration that would support such a scenario?
As far as I could see, there is only one interface supported for loadbalancing in seesaw.cfg

In case such a scenario is not possible via configuration, I would also appreciate suggestions on how an implementation/PR could look like.