Unneeded part of failure-description is printed in CLI for Elytron subsystem

/subsystem=elytron/simple-permission-mapper=mapper:add(permission-mappings=[{permissions=[{action=read,class-name=org.wildfly.security.auth.permission.LoginPermission,target-name=someName,module=some.nonexist.module}]}])
{
    "outcome" => "failed",
    "failure-description" => {
        "WFLYCTL0080: Failed services" => {"org.wildfly.security.permission-mapper.mapper" => "org.jboss.msc.service.StartException in service org.wildfly.security.permission-mapper.mapper: org.jboss.modules.ModuleNotFoundException: some.nonexist.module:main
    Caused by: org.jboss.modules.ModuleNotFoundException: some.nonexist.module:main"},
        "WFLYCTL0412: Required services that are not installed:" => ["org.wildfly.security.permission-mapper.mapper"],
        "WFLYCTL0180: Services with missing/unavailable dependencies" => undefined
    },
    "rolled-back" => true
}