def METHOD_NAME(configured, changed_non_fcoe):
    """
    Unconfigure networks which are not longer has fcoe enabled
    Example:  Fcoe attribute was removed
    """
    service_restart_required = False
    for net, net_nic in six.iteritems(changed_non_fcoe):
        if net in configured and net_nic is not None:
            _unconfigure(net_nic)
            service_restart_required = True
    return service_restart_required