Code:
Oct 6 05:00:08 mailer sshd[5249]: Server listening on :: port 22.
Oct 6 05:00:08 mailer sshd[5249]: error: Bind to port 22 on 0.0.0.0 failed: Address already in use.
Hmmmm
Okay, please shutdown ZCS and then check to make sure
all zimbra processes have indeed died before restarting.