boot log(captured from console.app,filter by "launched")

Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] ([0x0-0xcf0cf].com.apple.systemevents[7460]): Exited: Killed: 9
Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] (com.apple.talagent[141]): Exited: Killed: 9
Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] ([0x0-0x88088].com.apple.ImageCaptureExtension2[7191]): Exited: Killed: 9
Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] (com.apple.dt.instruments.backgroundinstruments[155]): Exited: Killed: 9
Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] ([0x0-0x15015].com.apple.AppleSpell[255]): Exited: Terminated: 15
Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] (com.apple.mdworker.shared.04000000-0000-0000-0000-000000000000[7367]): Exited: Killed: 9
Jul 28 20:13:30 jays-MacBook-Air com.apple.launchd.peruser.501[129] (com.apple.PackageKit.InstallStatus): Throttling respawn: Will start in 10 seconds
Jul 28 20:13:38 localhost com.apple.launchd[1]: *** launchd[1] has started up. ***
Jul 28 20:13:38 localhost com.apple.launchd[1]: *** Shutdown logging is enabled. ***
Jul 28 20:13:40 localhost com.apple.launchd[1] (com.apple.automountd): Unknown key for boolean: NSSupportsSuddenTermination
Jul 28 20:13:45 jays-MacBook-Air com.apple.launchd.peruser.501[129] (com.apple.ReportCrash): Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
Jul 28 20:14:05 jays-MacBook-Air com.apple.launchd[1] (com.apple.coreservices.appleid.authentication[116]): Exit timeout elapsed (20 seconds). Killing
Jul 28 20:14:45 jays-MacBook-Air com.apple.launchd.peruser.501[129] (com.apple.afpstat-qfa[241]): Exited with code: 2