def _get_llas(self, gw_ifname, ns_name):
        try:
            return self.intf_driver.get_ipv6_llas(gw_ifname, ns_name)
        except __HOLE__:
            # The error message was printed as part of the driver call
            # This could happen if the gw_ifname was removed
            # simply return and exit the thread
            return
dataset/ETHPy150Open openstack/neutron/neutron/agent/linux/pd.py/PrefixDelegation._get_llas