Description of problem:
Currently Neutron supports Port Forwarding in the North/South plane. Specific L4 Ports of the Floating IP can be directed to specific FixedIP:PortNumber of a VM , so that different services running in a VM can be isolated and can communicate with external networks easily.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Feature available on osp17 as of TEST-RHOS_TRUNK-17.0-RHEL-8-20200820.n.1
Upstream Gerrit: https://review.opendev.org/#/q/topic:ovn/port_forwarding+(status:merged)
EPIC Document: https://docs.google.com/document/d/1Bb2DvOO2Odi19CKRkDZuRIUStr1UnsAZxpw3tee3Qx4/edit?usp=sharing