[Nexus 5 Q&A, Help & Troubleshooting] ssalah75:
Below is the error I found, I'm not sure if it's related our not.

04-07 23:22:58.674 E/com.parse.push.connection(4166): could not construct writer

04-07 23:22:58.674 E/com.parse.push.connection(4166): java.net.SocketException: sendto failed: EPIPE (Broken pipe)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at libcore.io.IoBridge.maybeThrowAfterSendto(IoBridge.java:546)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at libcore.io.IoBridge.sendto(IoBridge.java:515)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.net.PlainSocketImpl.write(PlainSocketImpl.java:504)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.net.PlainSocketImpl.access$100(PlainSocketImpl.java:37)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.net.PlainSocketImpl$PlainSocketOutputStream.write(PlainSocketImpl.java:266)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.io.OutputStreamWriter.flushBytes(OutputStreamWriter.java:167)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:158)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.PushConnection.trySend(PushConnection.java:224)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.PushService.sendMessage(PushService.java:352)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.PushService.sendSubscriptionInformation(PushService.java:365)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.PushService.access$7(PushService.java:357)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.PushService$3.doInBackground(PushService.java:428)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.PushService$3.doInBackground(PushService.java:1)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at com.parse.os.ParseAsyncTask$2.call(ParseAsyncTask.java:215)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.util.concurrent.FutureTask.run(FutureTask.java:237)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at java.lang.Thread.run(Thread.java:818)

04-07 23:22:58.674 E/com.parse.push.connection(4166): Caused by: android.system.ErrnoException: sendto failed: EPIPE (Broken pipe)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at libcore.io.Posix.sendtoBytes(Native Method)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at libcore.io.Posix.sendto(Posix.java:206)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at libcore.io.BlockGuardOs.sendto(BlockGuardOs.java:278)

04-07 23:22:58.674 E/com.parse.push.connection(4166): at libcore.io.IoBridge.sendto(IoBridge.java:513)

04-07 23:22:58.674 E/com.parse.push.connection(4166): ... 16 more

Other errors that is frequently logged:

04-07 23:53:19.533 E/WifiStateMachine(779): WifiStateMachine CMD_START_SCAN source -2 txSuccessRate=0.00 rxSuccessRate=0.00 targetRoamBSSID=48:f8:b3:a6:00:2c RSSI=-51

04-07 23:53:19.533 E/WifiStateMachine(779): WifiStateMachine starting scan for "ssalah75"WPA_PSK with 2437