^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dhclient\[[[:digit:]]+\]: DHCPREQUEST for [[:xdigit:]:.]+ on [[:alnum:].]+ to [[:xdigit:]:.]+ port 67$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dhclient\[[[:digit:]]+\]: PRC: Renewing lease on [[:alnum:]]+\.$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dhclient\[[[:digit:]]+\]: XMT: Renew on [[:alnum:]]+, interval [[:digit:]]+ms\.$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ dhclient\[[[:digit:]]+\]: RCV: Reply message on [[:alnum:]]+ from [[:xdigit:]:]+\.$