def network_in_use_on_host(context, network_id, host=None):
    return IMPL.network_in_use_on_host(context, network_id, host)
Indicates if a network is currently in use on host.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/network_in_use_on_host