Add Active Active L3 GW scenario test cases

Depends-On: I34e2453ab206c13c3ca40c4181970c320bdd8e67
Change-Id: Idba4e48c22f8668ed2565e0c97e53a438b6746e7
Signed-off-by: Frode Nordahl <frode.nordahl@canonical.com>
7 files changed