This requirements is coming from our customers not using software accelerated vswitch and expect bw aggregation and fault tolerance for the traffic using srviov VF backing vNICs.
A similar implementation as suggested in this article but orchestrated through nova/neutron:
https://access.redhat.com/solutions/355853
(In reply to Stephen Gordon from comment #1)
> This item is currently flagged for RHOSP 12, is it in scope for 12 from a
> networking team POV?
It's not, thanks for pointing it out.