An administrator suspects that an Ethernet adapter on the VIO server is down. Running
“entstat-all ent2” he received the following error message:
entstat: 0909-003 Unable to connect to device ent2, errno = 19
What is the most likely cause of this error?

A.
The virtual network switch has failed.

B.
The entstat command must be run as root.

C.
The SEA has failed over to another VIO Server.

D.
The adapter is already in Etherchannel or SEA.