"svirt_content_t" doesn't exist

Issue

• There is the following description at "3.1. sVirt labels" in Virtualization Administration Guide "3.2. sVirt labeling".

Virtualized guest shared read only content. All svirt_t processes can read these files/devices. 
system_u:object_r:svirt_content_t:s0 

"seinfo" command gets error:

# seinfo -x --type=svirt_content_t
     ERROR: could not find datum for type svirt_content_t