Which of the following are the possible reasons?

During the active/standby deployment of Huawei ManageOne ServiceCenter, a single ServiceCenter VM fails. After the VM is restarted, services cannot be restored.

Which of the following are the possible reasons? (Multiple Choice)
A . The network where the virtual machine in is IP conflict
B . Temporary change of iptables rules results in limited access to virtual machines
C . The file system of the virtual machine is destroyed.
D . The host where the virtual machine is located is faulty.

Answer: ACD