Which of the following descriptions about VRRP priority are correct? (Select multiple)

A: The owner of Virtual IP address always uses 0 as running priority despite of its configured priority. B: The owner of Virtual IP address always uses 255 as running priority despite of its configured priority. C: When the master of VRRP stop running VRRP, the router will send a VRRP notification packet whose priority field is 0. D: A router with VRRP priority 0 will not take part in master election and can permanently act as slave.