'Function to handle the centralized Floatingip remove.'

def remove_centralized_floatingip(self, fip_cidr):

    if (not self.get_ex_gw_port()):
        return
    if (not self._is_this_snat_host()):
        return
    interface_name = self.get_snat_external_device_interface_name(self.get_ex_gw_port())
    device = ip_lib.IPDevice(interface_name, namespace=self.snat_namespace.name)
    device.delete_addr_and_conntrack_state(fip_cidr)
    self.process_floating_ip_nat_rules_for_centralized_floatingip()
