Mailing the story:
Java EE Servers as Nova-Docker Containers && RDO Mitaka External vlan networks
Nova-Docker driver is installed on Compute node which is supposed to run two Java EE Servers as light weight Nova-Docker Containers (instances) having floating IPs on two different external vlan enabled subnets (10.10.10.0/24; 10.10.50.0/24). General Setup RDO Mitaka ML2&OVS&VLAN 3 Nodes.