The ADHCP client notification binary adhcp_notify6_isc_script is called by adhcp_client6(8) on DHCP status changes (if specified on the command line using the -e option).
adhcp_notify6_isc_script(8) exports the DHCPv6 lease information as environment variables and calls the dhclient-script(8) provided by the ISC DHCP client to apply the configuration on the system.
Reason of the status update.
Interface on which adhcp_client6 is running.
Path to DHCP lease file.