diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index 5b6b88e61..27c7d3e1a 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -2,17 +2,20 @@
 %% Unless you know what you are doing, DO NOT edit manually!!
 {VSN,
   [{"4.3.19",
-    [{load_module,emqx_app,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
    {"4.3.18",
-    [{load_module,emqx_cm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]}]},
    {"4.3.17",
-    [{load_module,emqx_cm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_exclusive_subscription,brutal_purge,soft_purge,[]},
@@ -23,7 +26,8 @@
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_access_control,brutal_purge,soft_purge,[]}]},
    {"4.3.16",
-    [{load_module,emqx_cm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_session,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
@@ -697,17 +701,20 @@
      {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
   [{"4.3.19",
-    [{load_module,emqx_app,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
    {"4.3.18",
-    [{load_module,emqx_cm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]}]},
    {"4.3.17",
-    [{load_module,emqx_cm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_exclusive_subscription,brutal_purge,soft_purge,[]},
@@ -718,7 +725,8 @@
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_access_control,brutal_purge,soft_purge,[]}]},
    {"4.3.16",
-    [{load_module,emqx_cm,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_misc,brutal_purge,soft_purge,[]},
+     {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_session,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
diff --git a/src/emqx_misc.erl b/src/emqx_misc.erl
index 36a3386e3..813ab84e8 100644
--- a/src/emqx_misc.erl
+++ b/src/emqx_misc.erl
@@ -84,16 +84,9 @@ maybe_parse_ip(Host) ->
 
 %% @doc Add `ipv6_probe' socket option if it's supported.
 ipv6_probe(Opts) ->
-    case persistent_term:get({?MODULE, ipv6_probe_supported}, unknown) of
-        unknown ->
-            %% e.g. 23.2.7.1-emqx-2-x86_64-unknown-linux-gnu-64
-            OtpVsn = emqx_vm:get_otp_version(),
-            Bool = (match =:= re:run(OtpVsn, "emqx", [{capture, none}])),
-            _ = persistent_term:put({?MODULE, ipv6_probe_supported}, Bool),
-            ipv6_probe(Bool, Opts);
-        Bool ->
-            ipv6_probe(Bool, Opts)
-    end.
+    Bool = try gen_tcp:ipv6_probe()
+           catch _ : _ -> false end,
+    ipv6_probe(Bool, Opts).
 
 ipv6_probe(false, Opts) -> Opts;
 ipv6_probe(true, Opts) -> [{ipv6_probe, true} | Opts].