Tagged by CORD Jenkins version-tag job: 671, for Gerrit patchset: 11638

1. 2ed64b9 [CORD-3156] Adding support for mac_address in olt-service by Matteo Scandolo · 6 years ago[Copied (90%) from samples/olt_device.yaml]
2. 2360fd9 [CORD-3008] Before removing OLT check that no subscribers are using it by Matteo Scandolo · 6 years ago
3. 6be6ee9 [CORD-3091] Pulling NNI and PON ports by Matteo Scandolo · 6 years ago
4. e2cb8a4 [CORD-3084] Attaching a subscriber to an ONU by Matteo Scandolo · 6 years ago
5. b8621cd Prevent synchronizer to push OLTs to VOLTHA if they have feedback state by Matteo Scandolo · 6 years ago
6. 4a8b4d6 [CORD-2809] Synchronizer OLTDevice in VOLTHA by Matteo Scandolo · 6 years ago