DHCPREQUEST and DHCPACK

Feb 13 10:08:33 UDM-PRO daemon.info dnsmasq-dhcp[1901]: DHCPREQUEST(br0) 172.16.10.144 00:00:00:00:00:00
Feb 13 10:08:33 URM-PRO daemon.info dnsmasq-dhcp[1901]: DHCPACK(br0) 172.16.10.144 00:00:00:00:00:00

DHCPREQUEST

DHCPREQUEST is received from a device that has successfully authenticated with the network
the device is requesting a DHCP lease from the router

DHCPACK

DHCPACK is sent from the router to the device via it's MAC address, this message contains network information including the IP address which has been assigned to the device