こういうやつ↓

2016-09-07 15:28:43.759998 App[7932:128675] subsystem: com.apple.UIKit,     
category: HIDEventFiltered, enable_level: 0, persist_level: 0, 
default_ttl:     0, info_ttl: 0, debug_ttl: 0, generate_symptoms: 0,
enable_oversize: 1,   privacy_setting: 2, enable_private_data: 0
2016-09-07 15:28:43.762544 App[7932:128675] subsystem: com.apple.UIKit,     
category: HIDEventIncoming, enable_level: 0, persist_level: 0, 
default_ttl: 0, info_ttl: 0, debug_ttl: 0, generate_symptoms: 0,    
enable_oversize: 1, privacy_setting: 2, enable_private_data: 0
2016-09-07 15:28:43.790817 App[7932:128648] subsystem:   
com.apple.BaseBoard, category: MachPort, enable_level: 1,   
persist_level: 0, default_ttl: 0, info_ttl: 0, debug_ttl: 0, 
generate_symptoms: 0, enable_oversize: 0, privacy_setting: 0,  
enable_private_data: 0
2016-09-07 15:28:43.827962 App[7932:128496] subsystem: com.apple.UIKit,   
category: StatusBar, enable_level: 0, persist_level: 0, default_ttl: 0, 
info_ttl: 0, debug_ttl: 0, generate_symptoms: 0, enable_oversize: 1, 
privacy_setting: 2, enable_private_data: 0
2016-09-07 15:28:43.998975 App[7932:128496] subsystem: 
com.apple.BackBoardServices.fence, category: App, enable_level: 1, 
persist_level: 0, default_ttl: 0, info_ttl: 0, debug_ttl: 0, 
generate_symptoms: 0, enable_oversize: 0, privacy_setting: 0,    
enable_private_data: 0

メニュー：Product → Schema → Edit Schemaと辿り、Argumentを選択。Enviroment Variablesの+をクリックしてOS_ACTIVITY_MODEを追加してdisableを設定する。

これでメッセージが出力されなくなります。