Add chassis-create and chassis-delete

Change-Id: I404c513fc39a18967d96f67fc1a7cc68329adb75
Add port-create and port-delete

Change-Id: I0c91b2142e5b73d0acf7c6741dfe10ba13919306
Merge "Add chassis-create and chassis-delete"
Merge "Add port-create and port-delete"