16:48:05 T:3031232512 NOTICE: application stopped...
16:48:05 T:3031232512 DEBUG: ActiveAE DSP - destroyed
16:48:05 T:3031232512 DEBUG: PVRManager - destroyed
16:48:05 T:3031232512 DEBUG: SECTION:UnloadDll(libcurl.so.4)
16:48:05 T:3031232512 DEBUG: LogindUPowerSyscall - delay lock released
LoginDUPowerSyscall means someone one the system has requested a reboot. That’s why the device has rebooted there. It’s not watchdog (hardware related) or Kodi wouldn’t be aware of the reboot request.
See Do not use "idle mode" in my Vero2 - #72 by sam_nazarko
Sam