anchor.diff:  network.  Only reachable from the client nodes.
   Service Address:: An IP address that represents the service, and is
   mapped to a pod address internally.  These are assigned and managed by
  -Openshift.  By default they are assigned out of the 172.30.0.0/16
  +OpenShift.  By default they are assigned out of the 172.30.0.0/16
   network.  Only reachable from the client nodes.
   
   The following diagram shows all of the pieces involved with external access.
  
positive.code: 
  You can list all of the ports that ovs knows about:
  ....
  # ovs-ofctl -O OpenFlow13 dump-ports-desc br0  
  OFPST_PORT_DESC reply (OF1.3) (xid=0x2):
   1(vxlan0): addr:9e:f1:7d:4d:19:4f
       config:     0
  
negative.code: 
  == Debugging Node to Node Networking
  
  Using our list of non-working endpoints, we need to test connectivity
  to the node first.  First we need to get a list of the endpoint IPs
  and node IPs:
  ....
  