[Android] Anybody know how this is going do

F / NetworkStats (908): problem reading network stats
F / NetworkStats (908): java.lang.IllegalStateException: problem parsing idx 1
F / NetworkStats (908): at com.android.internal.net.NetworkStatsFactory.readNetworkStatsDetail (NetworkStatsFactory.java: 300)
F / NetworkStats (908): at com.android.server.NetworkManagementService.getNetworkStatsUidDetail (NetworkManagementService.java: 1282)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.performPollLocked (NetworkStatsService.java: 831)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.updateIfacesLocked (NetworkStatsService.java: 743)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.updateIfaces (NetworkStatsService.java: 721)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.access $ 000 (NetworkStatsService.java: 128)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService $ 1.onReceive (NetworkStatsService.java: 612)
F / NetworkStats (908): at android.app.LoadedApk $ ReceiverDispatcher $ Args.run (LoadedApk.java: 728)
F / NetworkStats (908): at android.os.Handler.handleCallback (Handler.java: 605)
F / NetworkStats (908): at android.os.Handler.dispatchMessage (Handler.java: 92)
F / NetworkStats (908): at android.os.Looper.loop (Looper.java: 137)
F / NetworkStats (908): at android.os.HandlerThread.run (HandlerThread.java: 60)
F / NetworkStats (908): Caused by: java.io.FileNotFoundException: / proc / net / xt_qtaguid / stats: open failed: ENOENT (No such file or directory)
F / NetworkStats (908): at libcore.io.IoBridge.open (IoBridge.java: 406)
F / NetworkStats (908): at java.io.FileInputStream. (FileInputStream.java: 78)
F / NetworkStats (908): at com.android.internal.net.NetworkStatsFactory.readNetworkStatsDetail (NetworkStatsFactory.java: 269)
F / NetworkStats (908): ... 11 more
F / NetworkStats (908): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
F / NetworkStats (908): at libcore.io.Posix.open (Native Method)
F / NetworkStats (908): at libcore.io.BlockGuardOs.open (BlockGuardOs.java: 110)
F / NetworkStats (908): at libcore.io.IoBridge.open (IoBridge.java: 390)
F / NetworkStats (908): ... 13 more
D / SettingsProvider (908): external modification to / data / data / com.android.providers.settings / databases / settings.db; event = 2
D / SettingsProvider (908): updating our caches for / data / data / com.android.providers.settings / databases / settings.db
F / NetworkStats (908): problem reading network stats
F / NetworkStats (908): java.lang.IllegalStateException: problem parsing idx 1
F / NetworkStats (908): at com.android.internal.net.NetworkStatsFactory.readNetworkStatsDetail (NetworkStatsFactory.java: 300)
F / NetworkStats (908): at com.android.server.NetworkManagementService.getNetworkStatsUidDetail (NetworkManagementService.java: 1282)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.performPollLocked (NetworkStatsService.java: 831)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.updateIfacesLocked (NetworkStatsService.java: 743)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.updateIfaces (NetworkStatsService.java: 721)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService.access $ 000 (NetworkStatsService.java: 128)
F / NetworkStats (908): at com.android.server.net.NetworkStatsService $ 1.onReceive (NetworkStatsService.java: 612)
F / NetworkStats (908): at android.app.LoadedApk $ ReceiverDispatcher $ Args.run (LoadedApk.java: 728)
F / NetworkStats (908): at android.os.Handler.handleCallback (Handler.java: 605)
F / NetworkStats (908): at android.os.Handler.dispatchMessage (Handler.java: 92)
F / NetworkStats (908): at android.os.Looper.loop (Looper.java: 137)
F / NetworkStats (908): at android.os.HandlerThread.run (HandlerThread.java: 60)
F / NetworkStats (908): Caused by: java.io.FileNotFoundException: / proc / net / xt_qtaguid / stats: open failed: ENOENT (No such file or directory)
F / NetworkStats (908): at libcore.io.IoBridge.open (IoBridge.java: 406)
F / NetworkStats (908): at java.io.FileInputStream. (FileInputStream.java: 78)
F / NetworkStats (908): at com.android.internal.net.NetworkStatsFactory.readNetworkStatsDetail (NetworkStatsFactory.java: 269)
F / NetworkStats (908): ... 11 more
F / NetworkStats (908): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
F / NetworkStats (908): at libcore.io.Posix.open (Native Method)
F / NetworkStats (908): at libcore.io.BlockGuardOs.open (BlockGuardOs.java: 110)
F / NetworkStats (908): at libcore.io.IoBridge.open (IoBridge.java: 390)
F / NetworkStats (908): ... 13 more
D / SettingsProvider (908): cache for settings table 'secure' rows = 38; fullycached = true
D / SettingsProvider (908): cache for settings table 'system' rows = 48; fullycached = true
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each open data connection
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F / NetworkStats (908): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)

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same question ? How to solve
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same question ? How to solve