diff --git a/libraries/ESP8266mDNS/src/LEAmDNS.cpp b/libraries/ESP8266mDNS/src/LEAmDNS.cpp
index 0564df180..47136b7cb 100644
--- a/libraries/ESP8266mDNS/src/LEAmDNS.cpp
+++ b/libraries/ESP8266mDNS/src/LEAmDNS.cpp
@@ -92,11 +92,13 @@ namespace MDNSImplementation
         LwipIntf::stateUpCB(
             [this](netif* intf)
             {
-                (void)intf;
-                DEBUG_EX_INFO(DEBUG_OUTPUT.printf_P(
-                    PSTR("[MDNSResponder] new Interface '%c%c' is UP! restarting\n"), intf->name[0],
-                    intf->name[1]));
-                _restart();
+                if (IPAddress(intf->ip_addr).isSet())
+                {
+                    DEBUG_EX_INFO(DEBUG_OUTPUT.printf_P(
+                        PSTR("[MDNSResponder] new Interface '%c%c' is UP! restarting\n"),
+                        intf->name[0], intf->name[1]));
+                    _restart();
+                }
             });
         DEBUG_EX_ERR(if (!bResult) {
             DEBUG_OUTPUT.printf_P(PSTR("[MDNSResponder] begin: FAILED for '%s'!\n"),
diff --git a/tools/sdk/lib/liblwip2-1460-feat.a b/tools/sdk/lib/liblwip2-1460-feat.a
index da53ae003..a066a03c3 100644
Binary files a/tools/sdk/lib/liblwip2-1460-feat.a and b/tools/sdk/lib/liblwip2-1460-feat.a differ
diff --git a/tools/sdk/lib/liblwip2-1460.a b/tools/sdk/lib/liblwip2-1460.a
index a278f3990..4b9b6ae45 100644
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diff --git a/tools/sdk/lib/liblwip2-536-feat.a b/tools/sdk/lib/liblwip2-536-feat.a
index 6c0421bba..c0430b57a 100644
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diff --git a/tools/sdk/lib/liblwip2-536.a b/tools/sdk/lib/liblwip2-536.a
index c0d291ea5..dffbb6f99 100644
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diff --git a/tools/sdk/lib/liblwip6-1460-feat.a b/tools/sdk/lib/liblwip6-1460-feat.a
index 90fe4445a..f30bf621f 100644
Binary files a/tools/sdk/lib/liblwip6-1460-feat.a and b/tools/sdk/lib/liblwip6-1460-feat.a differ
diff --git a/tools/sdk/lib/liblwip6-536-feat.a b/tools/sdk/lib/liblwip6-536-feat.a
index ab4a4ee78..374dffda5 100644
Binary files a/tools/sdk/lib/liblwip6-536-feat.a and b/tools/sdk/lib/liblwip6-536-feat.a differ
diff --git a/tools/sdk/lwip2/builder b/tools/sdk/lwip2/builder
index b5def382d..cffd11fb0 160000
--- a/tools/sdk/lwip2/builder
+++ b/tools/sdk/lwip2/builder
@@ -1 +1 @@
-Subproject commit b5def382d6ec666dc423611d09f137aa45147f25
+Subproject commit cffd11fb091b27f8bd37ea84353adbeb8bf20cd7
diff --git a/tools/sdk/lwip2/include/lwip-git-hash.h b/tools/sdk/lwip2/include/lwip-git-hash.h
index f5e25bf23..32d7a5569 100644
--- a/tools/sdk/lwip2/include/lwip-git-hash.h
+++ b/tools/sdk/lwip2/include/lwip-git-hash.h
@@ -1,5 +1,5 @@
 // generated by makefiles/make-lwip2-hash
 #ifndef LWIP_HASH_H
 #define LWIP_HASH_H
-#define LWIP_HASH_STR "STABLE-2_1_3_RELEASE/glue:1.2-63-gb5def38"
+#define LWIP_HASH_STR "STABLE-2_1_3_RELEASE/glue:1.2-65-g06164fb"
 #endif // LWIP_HASH_H