fix

Author: Vladsz83

modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java

@@ -3524,7 +3524,7 @@ else if (!sndState.isStartingPoint())
                                         debugLog(msg, "Initialized connection with next node: " + next.id());
 
                                     errs = null;
-
+                                    sndState = null;
                                     success = true;
 
                                     next.lastSuccessfulAddress(addr);