^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ dhclient\[[0-9]+\]: DHCPREQUEST
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ dhcpd: DHCPRELEASE
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ dhcpd\[[0-9]+\]: Discarding packet with bogus hlen\.$