The org.jboss.as.logging.LoggingOperations.LoggingAddOperationStepHandler uses OperationContext.getProcessType().isServer() to determine if runtime steps should be added. The OperationContext.isNormalServer() should be used instead otherwise runtime steps may get executed in ADMIN_ONLY mode.
James Perkins <jperkins> made a comment on jira WFLY-2357 Pull request merged
Verified on EAP 6.2.0.CR1.