=================================== FAILURES ===================================
______________________ test_user_access_ip_change[node0] _______________________
[gw4] linux -- Python 3.10.12 /usr/bin/python3

cluster_with_dns_cache_update = <helpers.cluster.ClickHouseCluster object at 0x7feb6ed7a140>
node = <helpers.cluster.ClickHouseInstance object at 0x7feb6ed7a5c0>

    @pytest.mark.parametrize("node", [node5, node6])
    def test_user_access_ip_change(cluster_with_dns_cache_update, node):
        node_name = node.name
        node_num = node.name[-1]
        # getaddrinfo(...) may hang for a log time without this options
        node.exec_in_container(
            [
                "bash",
                "-c",
                'echo -e "options timeout:1\noptions attempts:2" >> /etc/resolv.conf',
            ],
            privileged=True,
            user="root",
        )
    
        assert (
            node3.query("SELECT * FROM remote('{}', 'system', 'one')".format(node_name))
            == "0\n"
        )
        assert (
            node4.query("SELECT * FROM remote('{}', 'system', 'one')".format(node_name))
            == "0\n"
        )
    
        node.set_hosts(
            [
                ("127.255.255.255", "node3"),
                (f"2001:3984:3989::1:88{node_num}4", "unknown_host"),
            ],
        )
    
        cluster.restart_instance_with_ip_change(
            node3, "2001:3984:3989::1:88{}3".format(node_num)
        )
        cluster.restart_instance_with_ip_change(
            node4, "2001:3984:3989::1:88{}4".format(node_num)
        )
    
>       with pytest.raises(QueryRuntimeException):
E       Failed: DID NOT RAISE <class 'helpers.client.QueryRuntimeException'>