channel.setOutputStream(output, true);
channel.setErrStream(output, true);
YSLOG.info("I00003", user, host, port, privateKey, commandLineTokens.get(0));
long channelStart = System.currentTimeMillis();
channel.connect((int) TimeUnit.SECONDS.toMillis(60));
long channelEnd = System.currentTimeMillis();
YSLOG.info("I00004", user, host, port, privateKey, commandLineTokens.get(0), channelEnd - channelStart);
try {
while (true) {