statistics, just the mode of the connection, and -allconn just adds in the
(thousands of) idle connections. Let's assume that an idle connection
can't also be blocked.
@failures=();
$hiWaterMark=8;
-# Get the output of rxdebug $server -allconn -rxstats
-open(RXDEBUG, "$rxdebug $server -allconn -rxstats|")
+# Get the output of rxdebug $server.
+open(RXDEBUG, "$rxdebug $server |")
|| die("Can't open rxdebug\n");
$blocked{$server} = 0;
while (<RXDEBUG>) {