Schedule asmap health check to run once 5 mins after node starts

src/net.cpp

@@ -1848,8 +1848,6 @@ void ThreadOpenConnections()
             OpenNetworkConnection(addrConnect,/*failures,*/ &grant, NULL, false, fFeeler);
         }
     }
-    // Do a health check now that we hopefully have peers
-    ASMapHealthCheck();
 }
 
 void ThreadOpenAddedConnections()
@@ -2410,6 +2408,9 @@ void StartNode(boost::thread_group& threadGroup, CScheduler& scheduler)
 
     // Schedule ASMap Health check to run regularly
     scheduler.scheduleEvery(&ASMapHealthCheck, ASMAP_HEALTHCHECK_INTERVAL);
+
+    // and schedule it to run once in 5 mins when we hopefully have peers connected
+    scheduler.scheduleFromNow(&ASMapHealthCheck, 300);
 }
 
 bool StopNode()