be more verbose about failure and actual DNS bind

llarp/handlers/exit.cpp

@@ -207,9 +207,14 @@ namespace llarp
       if(m_ShouldInitTun)
       {
         if(!llarp_ev_add_tun(GetRouter()->netloop, &m_Tun))
+        {
+          llarp::LogWarn("Could not create tunnel for exit endpoint");
           return false;
+        }
         if(m_UpstreamResolvers.size() == 0)
           m_UpstreamResolvers.emplace_back("8.8.8.8", 53);
+        llarp::LogInfo("Trying to start resolver ",
+                       m_LocalResolverAddr.ToString());
         return m_Resolver.Start(m_LocalResolverAddr, m_UpstreamResolvers);
       }
       return true;