E/TetherSettings( 1631): IOException in switch USB tethering netdevice
E/TetherSettings( 1631): java.io.FileNotFoundException: /sys/devices/platform/msm_hsusb/gadget/switchusb (No such file or directory)
E/TetherSettings( 1631): 	at org.apache.harmony.luni.platform.OSFileSystem.openImpl(Native Method)
E/TetherSettings( 1631): 	at org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:152)
E/TetherSettings( 1631): 	at java.io.FileOutputStream.<init>(FileOutputStream.java:97)
E/TetherSettings( 1631): 	at java.io.FileOutputStream.<init>(FileOutputStream.java:69)
E/TetherSettings( 1631): 	at java.io.FileWriter.<init>(FileWriter.java:42)
E/TetherSettings( 1631): 	at com.android.settings.TetherSettings.enableUsbNetSync(TetherSettings.java:123)
E/TetherSettings( 1631): 	at com.android.settings.TetherSettings.onPreferenceTreeClick(TetherSettings.java:319)
E/TetherSettings( 1631): 	at android.preference.Preference.performClick(Preference.java:820)
E/TetherSettings( 1631): 	at android.preference.PreferenceScreen.onItemClick(PreferenceScreen.java:190)
E/TetherSettings( 1631): 	at android.widget.AdapterView.performItemClick(AdapterView.java:284)
E/TetherSettings( 1631): 	at android.widget.ListView.performItemClick(ListView.java:3382)
E/TetherSettings( 1631): 	at android.widget.AbsListView$PerformClick.run(AbsListView.java:1696)
E/TetherSettings( 1631): 	at android.os.Handler.handleCallback(Handler.java:587)
E/TetherSettings( 1631): 	at android.os.Handler.dispatchMessage(Handler.java:92)
E/TetherSettings( 1631): 	at android.os.Looper.loop(Looper.java:123)
E/TetherSettings( 1631): 	at android.app.ActivityThread.main(ActivityThread.java:4627)
E/TetherSettings( 1631): 	at java.lang.reflect.Method.invokeNative(Native Method)
E/TetherSettings( 1631): 	at java.lang.reflect.Method.invoke(Method.java:521)
E/TetherSettings( 1631): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
E/TetherSettings( 1631): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
E/TetherSettings( 1631): 	at dalvik.system.NativeStart.main(Native Method)
I/dnsmasq ( 1702): started, version 2.51 cachesize 150
I/dnsmasq ( 1702): compile time options: no-IPv6 GNU-getopt no-DBus no-I18N DHCP no-scripts no-TFTP
W/dnsmasq ( 1702): warning: no upstream servers configured
I/dnsmasq ( 1702): DHCP, IP range 192.168.43.2 -- 192.168.43.254, lease time 1h
I/dnsmasq ( 1702): DHCP, IP range 192.168.42.2 -- 192.168.42.254, lease time 1h
I/dnsmasq ( 1702): read /etc/hosts - 1 addresses
I/dnsmasq ( 1702): using nameserver 4.2.2.2#53
I/dnsmasq ( 1702): using nameserver 8.8.8.8#53