Huawei OceanStor all-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statements about IP drift is wrong?

Huawei OceanStor all-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statements about IP drift is wrong?
A . When "Manual" is selected for the "Failback Mode" of IP drift, the system can switch the service back to the active port only when the active port link is in a normal state and lasts for more than 1 minute when the port failure recovers.
B . If Ethernet ports A and B are added to VLAN 2, ports A and B belong to the same drift group by default.
C . An Ethernet port can create multiple logical ports.
D . If bound port A and physical port B join the same VLAN, as long as one physical port in bound port A fails, the service will be switched to physical port B.

Answer: A