Alerts reports "IP address seems to have changed" for nxdomain errors.

[ns_server:error,2022-06-23T18:00:23.442Z,ns_1@cb-0000.cb.63344c9d-4a8d-464f-b38f-5c4edb2374fc.svc:<0.10890.2388>:menelaus_web_alerts_srv:can_listen:526]Cannot listen due to nxdomain from inet:getaddr[user:info,2022-06-23T18:00:23.442Z,ns_1@cb-0000.cb.63344c9d-4a8d-464f-b38f-5c4edb2374fc.svc:<0.10890.2388>:menelaus_web_alerts_srv:global_alert:120]IP address seems to have changed. Unable to listen on 'ns_1@cb-0000.cb.63344c9d-4a8d-464f-b38f-5c4edb2374fc.svc'. (POSIX error code: 'nxdomain') 

check(ip, Opaque, _History, _Stats) ->

    {_Name, Host} = misc:node_name_host(node()),

    case can_listen(Host) of

        {false, Error} ->

            global_alert(ip, fmt_to_bin(errors(ip), [node(), Error]));

        true ->

            ok

    end,

    Opaque;

can_listen(Host) ->

    case inet:getaddr(Host, misc:get_net_family()) of

        {error, Err} ->

            ?log_error("Cannot listen due to ~p from inet:getaddr~n", [Err]),

            {false, Err};

getaddr(Host, Family) -> {ok, Address} | {error, posix()}

    Types

          Host = ip_address() | hostname()

          Family = address_family()

          Address = ip_address()

Returns the IP address for Host as a tuple of integers. Host can be an IP address, a single hostname, or a fully qualified hostname.