^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: Internet Systems Consortium DHCP Client [.[:alnum:]-]+$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: Copyright 2004-20[[:digit:]]{2} Internet Systems Consortium\.$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: All rights reserved\.$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: For info, please visit https://www\.isc\.org/software/dhcp/$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?:$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])? Trying recorded lease [.0-9]{7,15}$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: DHCP(NAK|ACK|OFFER) (of [.0-9]{7,15} )?from [.0-9]{7,15}( \(xid=0x[0-9a-f]{8}\))?$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: DHCP(REQUEST|RELEASE) (of [.0-9]{7,15} )?on [[:alnum:].-]+ to [.0-9]{7,15} port 67( \(xid=0x[0-9a-f]{8}\))?$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: DHCPDISCOVER on [[:alnum:].-]+ to [.0-9]{7,15} port 67 interval [0-9]+( \(xid=0x[0-9a-f]{8}\))?$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: Killed old client process$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: Listening on [^[:space:].]+$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: No DHCPOFFERS received\.$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: No working leases in persistent database - sleeping\.$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: Sending on[[:space:]]+[^[:space:]]+$
^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient(\[[[:digit:]]+\])?: bound to [.0-9]{7,15} -- renewal in [0-9]+ seconds\.$
