Alcor E2E Test Scenarios

1. Create a network, two subnets (Subnet1 and Subnet2), one router (Router1), one Security Group (SG1), and register two host nodes (H1 and H2)
2. Associate Subnet1 and Subnet2 to Router1
3. Add P1, P2 to Subnet1 (w/o host_id), THEN associate P1 to H1, P2 to H2
4. Add P3, P4 to Subnet2 (w/o host_id), THEN associate P3 to H1, P4 to H2
5. Move P4 from H1 to H2
6. Add P5 to Subnet2 (w/o host_id), THEN update port to bind to H1