Feature/nat 212 213

This PR covers NAT-212 and NAT-213.

gso/workflows/device/insert_in_ibgp.py

-#import ipaddress
-#import re
-#from uuid import uuid4
+# import ipaddress
+# import re
+# from uuid import uuid4
 #
-#from orchestrator.db.models import ProductTable, SubscriptionTable
+# from orchestrator.db.models import ProductTable, SubscriptionTable
 #
 ## noinspection PyProtectedMember
-#from orchestrator.forms import FormPage
-#from orchestrator.forms.validators import Choice
-#from orchestrator.targets import Target
-#from orchestrator.types import FormGenerator, State
-#from orchestrator.types import SubscriptionLifecycle, UUIDstr
-#from orchestrator.workflow import done, init, step, workflow
-#from orchestrator.workflows.steps import resync, store_process_subscription, unsync
+# from orchestrator.forms import FormPage
+# from orchestrator.forms.validators import Choice
+# from orchestrator.targets import Target
+# from orchestrator.types import FormGenerator, State
+# from orchestrator.types import SubscriptionLifecycle, UUIDstr
+# from orchestrator.workflow import done, init, step, workflow
+# from orchestrator.workflows.steps import resync, store_process_subscription, unsync
 #
-#from orchestrator.workflows.utils import wrap_modify_initial_input_form
-#from gso.products.product_blocks import device as device_pb
-#from gso.products.product_types import device
-#from gso.products.product_types.device import (
+# from orchestrator.workflows.utils import wrap_modify_initial_input_form
+# from gso.products.product_blocks import device as device_pb
+# from gso.products.product_types import device
+# from gso.products.product_types.device import (
 #    Device,
-#)
-#from gso.products.product_types.site import Site
-#from gso.services import _ipam
+# )
+# from gso.products.product_types.site import Site
+# from gso.services import _ipam
 #
-#def initial_input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
+# def initial_input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
 #    subscription = Device.from_subscription(subscription_id)
 #
 #    class SimoneDeviceForm(FormPage):
@@ -33,8 +33,8 @@
 #
 #    return user_input.dict()
 #
-#@step("Show the devices")
-#def display_devices() -> State:
+# @step("Show the devices")
+# def display_devices() -> State:
 #    devices = []
 #    for subscription_id in (
 #        SubscriptionTable.query.join(ProductTable)
@@ -65,15 +65,15 @@
 #    }
 #
 #
-#@workflow(
+# @workflow(
 #    "Add node to iBGP",
 #    initial_input_form=wrap_modify_initial_input_form(
 #        initial_input_form_generator
 #    ),
 #    target=Target.MODIFY,
-#)
+# )
 #
-#def insert_in_ibgp():
+# def insert_in_ibgp():
 #    return (
 #        init
 #        >> store_process_subscription(Target.MODIFY)