Consistent netif->status_callback (#8676)

d-a-v/esp82xx-nonos-linklayer#62

Author: d-a-v

Diff for: 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 for: tools/sdk/lib/liblwip2-1460-feat.a

@@ -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