The network port monitor, Nectar, password expired. If Nector cannot login it retries every 10 seconds.
/var/adm/messages:
Aug 21 15:54:05 sshd[4969]: [ID 800047 auth.crit] fatal: Timeout before authentication for xx.xx.xx.xx
Aug 21 15:54:16 sshd[4972]: [ID 800047 auth.crit] fatal: Timeout before authentication for xx.xx.xx.xx
Aug 21 15:54:26 sshd[4982]: [ID 800047 auth.crit] fatal: Timeout before authentication for xx.xx.xx.xx
Aug 21 15:54:37 sshd[4985]: [ID 800047 auth.crit] fatal: Timeout before authentication for xx.xx.xx.xx