^\w{3} [ :0-9]{11} [._[:alnum:]-]+ ntpdate\[[0-9]+\]: can't find host$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ ntpdate\[[0-9]+\]: no servers can be used, exiting$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ ntpdate\[[0-9]+\]: step time server [\.0-9]+ offset [\.0-9]+ sec$