At 15:27 I closed the lid of my MBP. Four hours later it woke to do something. Twenty minutes later I opened the lid. Is someone more experienced with the OS X logs than me? I suspect it has to do with time machine or some PowerNap feature rudimentary...
Nov 29 15:27:24 x kernel[0]: AirPort_Brcm43xx::powerChange: System Sleep
Nov 29 15:27:24 x kernel[0]: /drv/ MacModule.cpp:304 powerStateWillChangeTo: flags=4 stateNumber=2
Nov 29 15:27:24 x kernel[0]: /drv/ MacModule.cpp:309 powerStateWillChangeTo: found flag=kIOPMSleepCapability (4)
Nov 29 15:27:27 x kernel[0]: en1: BSSID changed to xxx
Nov 29 15:27:27 x kernel[0]: wlEvent: en1 en1 Link DOWN virtIf = 0
Nov 29 15:27:27 x kernel[0]: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
Nov 29 15:27:27 x kernel[0]: en1::IO80211Interface::postMessage bssid changed
Nov 29 15:27:27 x kernel[0]: [AppleMultitouchDevice::willTerminate] entered
Nov 29 15:27:27 x kernel[0]: [AppleMultitouchDevice::stop] entered
Nov 29 15:27:28 x kernel[0]: /drv/ MacModule.cpp:304 powerStateDidChangeTo: flags=4 stateNumber=2
Nov 29 15:27:28 x kernel[0]: /drv/ MacModule.cpp:309 powerStateDidChangeTo: found flag=kIOPMSleepCapability (4)
Nov 29 15:27:28 x kernel[0]: Wake reason: EC.SleepTimer (SleepTimer)
Nov 29 19:27:27 x kernel[0]: AirPort_Brcm43xx::powerChange: System Wake - Full Wake/ Dark Wake / Maintenance wake
Nov 29 19:27:27 x kernel[0]: /drv/ MacModule.cpp:304 powerStateWillChangeTo: flags=2 stateNumber=3
Nov 29 19:27:27 x kernel[0]: /drv/ MacModule.cpp:305 powerStateWillChangeTo: found flag=kIOPMPowerOn (2)
Nov 29 19:27:27 x kernel[0]: /drv/ MacModule.cpp:304 powerStateDidChangeTo: flags=2 stateNumber=3
Nov 29 19:27:27 x kernel[0]: /drv/ MacModule.cpp:305 powerStateDidChangeTo: found flag=kIOPMPowerOn (2)
Nov 29 19:27:27 x kernel[0]: Previous Sleep Cause: 5
Nov 29 19:27:27 x kernel[0]: en1: 802.11d country code set to 'X3'.
Nov 29 19:27:27 x kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 12 13 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
Nov 29 19:27:27 x kernel[0]: TBT W (1): 0 [x]
Nov 29 19:27:28 x kernel[0]: Graphics suppressed 1846 ms
Nov 29 19:27:28 x configd[17]: ipsec_wake_up: System slept for 14404.000000 secs (more than 7200.000000 secs), interface utun0 will disconnect.
Nov 29 19:27:28 x racoon[1332]: Connecting.
Nov 29 19:27:28 x configd[17]: IPSec disconnecting from server xxx
Nov 29 19:27:28 x racoon[1332]: IPSec Phase1 started (Initiated by me).
Nov 29 19:27:29 x racoon[1332]: IKE Packet: transmit success. (Initiator, Aggressive-Mode message 1).
Nov 29 19:27:29 x configd[17]: SCNC Controller: service_ending_verify_primaryservice, waiting for PrimaryService. status = 1.
Nov 29 19:27:29 x racoon[1332]: IPSec disconnecting from server xxx
Nov 29 19:27:29 --- last message repeated 1 time ---
Nov 29 19:27:29 x kernel[0]: SIOCPROTODETACH_IN6: utun0 error=6
Nov 29 19:27:29 x com.apple.time[11]: Next maintenance wake [Backup Interval]: <date: 0x7fcb29c375f0> Thu Nov 29 16:09:01 2012 CET (approx)
Nov 29 19:27:29 x configd[17]: SCNC Controller: ipv4_state_changed, done waiting for ServiceID.
Nov 29 19:27:29 x com.apple.time[11]: Requesting maintenance wake [Backup Interval]: <date: 0x7fcb29c375f0> Thu Nov 29 16:09:01 2012 CET (approx)
Nov 29 19:27:29 x kernel[0]: hibernate image path: /var/vm/sleepimage
Nov 29 19:27:29 x kernel[0]: AirPort_Brcm43xx::powerChange: System Sleep
Nov 29 19:27:29 x kernel[0]: hibernate_alloc_pages act 453337, inact 451530, anon 101756, throt 0, spec 49073, wire 383339, wireinit 116913
Nov 29 19:27:29 x kernel[0]: hibernate_setup(0) took 0 ms
Nov 29 19:27:29 x kernel[0]: sizeof(IOHibernateImageHeader) == 512
Nov 29 19:27:29 x kernel[0]: kern_open_file_for_direct_io(0) took 0 ms
Nov 29 19:27:29 x kernel[0]: Opened file /var/vm/sleepimage, size 8589934592, partition base 0x0, maxio 400000 ssd 1
Nov 29 19:27:29 x kernel[0]: hibernate image major 1, minor 0, blocksize 512, pollers 5
Nov 29 19:27:29 x kernel[0]: /drv/ MacModule.cpp:304 powerStateWillChangeTo: flags=4 stateNumber=2
Nov 29 19:27:29 x kernel[0]: /drv/ MacModule.cpp:309 powerStateWillChangeTo: found flag=kIOPMSleepCapability (4)
Nov 29 19:27:29 x kernel[0]: /drv/ MacModule.cpp:304 powerStateDidChangeTo: flags=4 stateNumber=2
Nov 29 19:27:29 x kernel[0]: /drv/ MacModule.cpp:309 powerStateDidChangeTo: found flag=kIOPMSleepCapability (4)
Nov 29 19:27:29 x kernel[0]: hibernate_page_list_setall(preflight 0) start 0xffffff80df2f6000, 0xffffff80df336000
Nov 29 19:47:58 x kernel[0]: hibernate_page_list_setall time: 360 ms
Nov 29 19:47:58 x kernel[0]: pages 1326290, wire 369119, act 279398, inact 8, cleaned 0 spec 100, zf 55067, throt 0, could discard act 171300 inact 375033 purgeable 5891 spec 49095 cleaned 21279
Nov 29 19:47:58 x kernel[0]: hibernate_page_list_setall found pageCount 703692
Nov 29 19:47:58 x kernel[0]: IOHibernatePollerOpen, ml_get_interrupts_enabled 0
Nov 29 19:47:58 x kernel[0]: IOHibernatePollerOpen(0)
Nov 29 19:47:58 x kernel[0]: encryptStart 13270
Nov 29 19:47:58 x kernel[0]: bitmap_size 0x3f8e0, previewSize 0xd09818, writing 700013 pages @ 0xd5c368
Nov 29 19:47:58 x kernel[0]: hibernate_machine_init: state 2, image pages 368915, sum was c88ade23, image1Size 1f26d000, conflictCount 4225, nextFree 1350
Nov 29 19:47:58 x kernel[0]: hibernate_page_list_discard time: 259 ms, discarded act 171300 inact 375033 purgeable 5891 spec 49095 cleaned 21279
Nov 29 19:47:58 x kernel[0]: IOHibernatePollerOpen(), ml_get_interrupts_enabled 0
Nov 29 19:47:58 x kernel[0]: IOHibernatePollerOpen(0)
Nov 29 19:47:58 x kernel[0]: hibernate_machine_init reading
Nov 29 19:47:58 x kernel[0]: PMStats: Hibernate read took 1906 ms
Nov 29 19:47:58 x kernel[0]: hibernate_machine_init pagesDone 703488 sum2 b5fcc189, time: 1906 ms, comp bytes: 1280618496 time: 1223 ms 998 Mb/s, crypt bytes: 587154944 time: 248 ms 2251 Mb/s
Nov 29 19:47:58 x kernel[0]: vtd[0] fault: device 3:0:0 reason 0x5 W:0x85aeb000
Nov 29 19:47:58 x kernel[0]: Wake reason: EC.LidOpen (User)
Nov 29 19:47:58 x kernel[0]: AirPort_Brcm43xx::powerChange: System Wake - Full Wake/ Dark Wake / Maintenance wake
Nov 29 19:47:58 x kernel[0]: /drv/ MacModule.cpp:304 powerStateWillChangeTo: flags=2 stateNumber=3
Nov 29 19:47:58 x kernel[0]: /drv/ MacModule.cpp:305 powerStateWillChangeTo: found flag=kIOPMPowerOn (2)
Nov 29 19:47:58 x kernel[0]: /drv/ MacModule.cpp:304 powerStateDidChangeTo: flags=2 stateNumber=3
Nov 29 19:47:58 x kernel[0]: /drv/ MacModule.cpp:305 powerStateDidChangeTo: found flag=kIOPMPowerOn (2)
Nov 29 19:47:58 x kernel[0]: Previous Sleep Cause: 5
Nov 29 19:47:58 x kernel[0]: Previous Shutdown Cause: 5
Nov 29 19:47:58 x com.apple.launchd[1] (com.apple.newsyslog): Throttling respawn: Will start in 7 seconds
Nov 29 19:47:58 x kernel[0]: TBT W (1): 0 [x]