diff -NarpU5 iperf-2.0.8/src/Client.cpp iperf-2.0.8.bindfail/src/Client.cpp
--- iperf-2.0.8/src/Client.cpp	2015-04-02 16:51:48.000000000 -0400
+++ iperf-2.0.8.bindfail/src/Client.cpp	2015-04-10 10:05:38.279936555 -0400
@@ -701,20 +701,20 @@ void Client::Connect( ) {
                   AF_INET
 #endif
                   : AF_INET);
 
     mSettings->mSock = socket( domain, type, 0 );
-    WARN_errno( mSettings->mSock == INVALID_SOCKET, "socket" );
+    FAIL_errno( mSettings->mSock == INVALID_SOCKET, "socket", mSettings );
 
     SetSocketOptions( mSettings );
 
     SockAddr_localAddr( mSettings );
     if ( mSettings->mLocalhost != NULL ) {
         // bind socket to local address
         rc = bind( mSettings->mSock, (sockaddr*) &mSettings->local, 
                    SockAddr_get_sizeof_sockaddr( &mSettings->local ) );
-        WARN_errno( rc == SOCKET_ERROR, "bind" );
+        FAIL_errno( rc == SOCKET_ERROR, "bind", mSettings );
     }
     // connect socket
     rc = connect( mSettings->mSock, (sockaddr*) &mSettings->peer, 
                   SockAddr_get_sizeof_sockaddr( &mSettings->peer ));
     FAIL_errno( rc == SOCKET_ERROR, "connect", mSettings );
diff -NarpU5 iperf-2.0.8/src/Listener.cpp iperf-2.0.8.bindfail/src/Listener.cpp
--- iperf-2.0.8/src/Listener.cpp	2015-04-02 16:51:48.000000000 -0400
+++ iperf-2.0.8.bindfail/src/Listener.cpp	2015-04-10 10:06:23.279699885 -0400
@@ -342,11 +342,11 @@ void Listener::Listen( ) {
         WARN_errno( rc == SOCKET_ERROR, "WSAJoinLeaf (aka bind)" );
     } else
 #endif
     {
         rc = bind( mSettings->mSock, (sockaddr*) &mSettings->local, mSettings->size_local );
-        WARN_errno( rc == SOCKET_ERROR, "bind" );
+        FAIL_errno( rc == SOCKET_ERROR, "bind", mSettings );
     }
     // listen for connections (TCP only).
     // default backlog traditionally 5
     if ( !isUDP( mSettings ) ) {
         rc = listen( mSettings->mSock, 5 );