'Create a network.
Create a network, which represents an L2 network segment which
can have a set of subnets and ports associated with it.
:param context: neutron api request context
:param network: dictionary describing the network, with keys
as listed in the  :obj:`RESOURCE_ATTRIBUTE_MAP` object
in :file:`neutron/api/v2/attributes.py`.  All keys will
be populated.'

@abc.abstractmethod
def create_network(self, context, network):

    pass
