The message for the state change.
Server.SpotInstanceTermination: A Spot instance was terminated due to
an increase in the market price.
Server.InternalError: An internal error occurred during instance launch,
resulting in termination.
Server.InsufficientInstanceCapacity: There was insufficient instance
capacity to satisfy the launch request.
Client.InternalError: A client error caused the instance to terminate
Client.InstanceInitiatedShutdown: The instance was shut down using the
shutdown -h command from the instance.
Client.UserInitiatedShutdown: The instance was shut down using the Amazon
Client.VolumeLimitExceeded: The limit on the number of EBS volumes or
total storage was exceeded. Decrease usage or request an increase in your limits.
Client.InvalidSnapshot.NotFound: The specified snapshot was not found.