Add some text to the email message that says to actually look at the

log, and to look at the summary page when the problem is not enough
free nodes!

tbsetup/swapexp.in

@@ -66,6 +66,7 @@ my $TBOPS  = "@TBOPSEMAIL@";
 my $TBLOGS = "@TBLOGSEMAIL@";
 my $TBINFO = "$TB/expinfo";
 my $TBDOCBASE = "@TBDOCBASE@";
+my $TBBASE = "@TBBASE@";
 
 #
 # Testbed Support libraries
@@ -1029,7 +1030,13 @@ sub fatal($)
     #
     SENDMAIL("$user_name <$user_email>",
 	     "Swap ${inout} Failure: $pid/$eid",
-	     $mesg,
+	     $mesg . "\n\n" .
+	     "Please look at the log below to see what happened. If the error\n".
+	     "resulted from a lack of resources (not enough nodes), you can\n".
+	     "use this web page to get a summary of free nodes:\n\n".
+	     "  ${TBBASE}/nodecontrol_list.php3\n".
+	     "\n".
+	     "Please do not try again until you see enough node free.",
 	     ($idleswap ? $TBOPS : "$user_name <$user_email>"),
 	     "Cc:  $expt_head_name <$expt_head_email>\n".
 	     "Cc:  $TBOPS",