'Do any initialization that needs to be run if this is a
standalone service.'

def init_host(self):

    LOG.debug('Setup    network    on    host    %s', self.host)
    ctxt = context.get_admin_context()
    networks = objects.NetworkList.get_by_host(ctxt, self.host)
    self.driver.iptables_manager.defer_apply_on()
    self.l3driver.initialize(fixed_range=False, networks=networks)
    NetworkManager.init_host(self)
    self.init_host_floating_ips()
    self.driver.iptables_manager.defer_apply_off()
