[Android Software Development] mistermanko:
It doesn't say it's disconnected but I couldn't use the application furthermore and had to restart the whole tool. And i did simple browsing.

01-30 12:28:59:965 W/I Tool version : 3.19
01-30 12:28:59:965 W/I adb.exe
01-30 12:28:59:965 W/I aapt.exe
01-30 12:29:00:096 W/I Android Debug Bridge version 1.0.31

01-30 12:30:09.10 A/I process (2283) : Start proc service.tracetool for broadcast service.tracetool/.TTBroadcastReceiver: pid=6911 uid=10189 gids={50189, 3003, 1028}
01-30 12:30:09.24 A/I UsbThread1 : usbServerSocket : Waiting for the host to connect

01-30 12:29:03:633 W/I Wait java service
01-30 12:29:03:736 W/I waiting android server connection ... 1
01-30 12:29:04:056 W/I Waiting for connection
01-30 12:29:05:488 L/D HOST : cyanogenmod
01-30 12:29:05:490 L/D RELEASE : 4.3.1
01-30 12:29:05:491 L/D SDK : 18
01-30 12:29:05:493 L/D FINGERPRINT : samsung/m0xx/m0:4.3/JSS15J/I9300XXUGMJ9:user/release-keys
01-30 12:29:05:494 L/D VM name : Dalvik
01-30 12:29:05:496 L/D OS Arch : armv7l
01-30 12:29:05:499 L/D Reverse tethering package version : 3.19
01-30 12:29:05:516 L/D Xposed installer : 2.4.1, app_process : 47, XposedBridge.jar : 42
01-30 12:29:05:522 L/D Hack Connectivity Service. Package version : 1.4, mode : 2, trace : 0
01-30 12:29:07:029 W/I interfaces before script startlo(UP) 127.0.0.1/8, sit0(DOWN), ip6tnl0(DOWN), rmnet0(DOWN), rmnet1(DOWN), rmnet2(DOWN), p2p0(UP), wlan0(UP)
01-30 12:29:07:172 W/I no route
01-30 12:29:07:184 L/D OnStart script 3.19
01-30 12:29:07:190 L/D Interface to use : "sit0"
01-30 12:29:07:584 L/D ifconfig sit0 192.168.1.2 netmask 255.255.255.0
01-30 12:29:07:798 L/D route add default gateway 192.168.1.2 sit0
01-30 12:29:08:568 L/D redirect all communications to TETHER chain
01-30 12:29:08:738 L/D forward tcp to native handler
01-30 12:29:09:434 L/D OnStart script done
01-30 12:30:15.22 A/V Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.22 A/V 0 0 oem_nat_pre all -- any any anywhere anywhere
01-30 12:30:15.22 A/V Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.22 A/V Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.22 A/V 0 0 TETHER all -- any any anywhere anywhere
01-30 12:30:15.22 A/V Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.22 A/V 32 1954 natctrl_nat_POSTROUTING all -- any any anywhere anywhere
01-30 12:30:15.22 A/V Chain TETHER (1 references)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.22 A/V 0 0 REDIRECT tcp -- any sit0 anywhere anywhere tcp dpts:tcpmux:41999 redir ports 42200
01-30 12:30:15.22 A/V 0 0 REDIRECT tcp -- any sit0 anywhere anywhere tcp dpts:42500:65535 redir ports 42200
01-30 12:30:15.22 A/V 0 0 REDIRECT udp -- any sit0 anywhere anywhere udp dpt:domain redir ports 42001
01-30 12:30:15.22 A/V Chain natctrl_nat_POSTROUTING (1 references)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.22 A/V Chain oem_nat_pre (1 references)
01-30 12:30:15.22 A/V pkts bytes target prot opt in out source destination
01-30 12:30:15.41 A/V cppMainTcpServerLoop : started
01-30 12:29:09:972 L/D => setHackMode to 'Wifi' result : 1
01-30 12:29:11:095 W/I interfaces after script startlo(UP) 127.0.0.1/8, sit0(UP) 192.168.1.2/24, ip6tnl0(DOWN), rmnet0(DOWN), rmnet1(DOWN), rmnet2(DOWN), p2p0(UP), wlan0(UP)
01-30 12:29:11:356 W/I route : destination : 0.0.0.0, gateway : 192.168.1.2, output : sit0
01-30 12:29:11:356 W/I route : destination : 192.168.1.0, gateway : 0.0.0.0, output : sit0
01-30 12:29:11:356 W/I
01-30 12:29:11:356 W/I Connection done
01-30 12:30:56.67 A/I Download 625 starting
01-30 12:30:58.54 A/I Download 625 finished with status SUCCESS

01-30 12:33:51.25 A/I process (2283) : START u0 {cmp=service.tracetool/.MainServiceActivityTab bnds=[0,102][720,230]} from pid -1

01-30 12:33:51.26 A/W process (2283) : startActivity called from non-Activity context; forcing Intent.FLAG_ACTIVITY_NEW_TASK for: Intent { cmp=service.tracetool/.MainServiceActivityTab bnds=[0,102][720,230] }

01-30 12:33:51.72 A/I process (2283) : Displayed service.tracetool/.MainServiceActivityTab: +262ms

01-30 12:35:36.73 A/I Download 626 starting

01-30 12:35:40.00 A/I Download 626 finished with status SUCCESS

01-30 12:35:48.70 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_EXTERNAL_STORAGE in package service.tracetool
01-30 12:35:48.70 A/W process (2283) : Unknown permission android.Manifest.permission.READ_EXTERNAL_STORAGE in package service.tracetool
01-30 12:35:48.70 A/W process (2283) : Unknown permission android.Manifest.permission.READ_MEDIA_STORAGE in package service.tracetool
01-30 12:35:48.70 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_MEDIA_STORAGE in package service.tracetool
01-30 12:35:51.27 A/I Download 627 starting

01-30 12:35:53.67 A/I Download 627 finished with status SUCCESS
01-30 12:36:03.52 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_EXTERNAL_STORAGE in package service.tracetool
01-30 12:36:03.52 A/W process (2283) : Unknown permission android.Manifest.permission.READ_EXTERNAL_STORAGE in package service.tracetool
01-30 12:36:03.52 A/W process (2283) : Unknown permission android.Manifest.permission.READ_MEDIA_STORAGE in package service.tracetool
01-30 12:36:03.52 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_MEDIA_STORAGE in package service.tracetool
01-30 12:36:06.22 A/I Download 628 starting

01-30 12:36:08.34 A/I Download 628 finished with status SUCCESS

01-30 12:36:21.25 A/I Download 629 starting
01-30 12:36:23.51 A/I Download 629 finished with status SUCCESS

01-30 12:36:35.04 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_EXTERNAL_STORAGE in package service.tracetool
01-30 12:36:35.04 A/W process (2283) : Unknown permission android.Manifest.permission.READ_EXTERNAL_STORAGE in package service.tracetool
01-30 12:36:35.04 A/W process (2283) : Unknown permission android.Manifest.permission.READ_MEDIA_STORAGE in package service.tracetool
01-30 12:36:35.04 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_MEDIA_STORAGE in package service.tracetool
01-30 12:36:37.85 A/I Download 630 starting

01-30 12:36:39.63 A/I Download 630 finished with status SUCCESS
01-30 12:36:47.96 A/I Download 631 starting

01-30 12:36:50.55 A/I Download 631 finished with status SUCCESS

01-30 12:36:58.33 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_EXTERNAL_STORAGE in package service.tracetool
01-30 12:36:58.33 A/W process (2283) : Unknown permission android.Manifest.permission.READ_EXTERNAL_STORAGE in package service.tracetool
01-30 12:36:58.33 A/W process (2283) : Unknown permission android.Manifest.permission.READ_MEDIA_STORAGE in package service.tracetool
01-30 12:36:58.33 A/W process (2283) : Unknown permission android.Manifest.permission.WRITE_MEDIA_STORAGE in package service.tracetool

Server List at 01-30 12:56:14:769
domain (53) : A->H : 73500 ,H->A : 43224
xmpp-client (5222) : A->H : 179 ,H->A : 309
https (443) : A->H : 21172088 ,H->A : 26077711
http (80) : A->H : 10496881 ,H->A : 27668176
Google Play (5228) : A->H : 903 ,H->A : 1769
imaps (993) : A->H : 4956 ,H->A : 35521

DNS List
139.18.25.3
139.18.1.2
8.8.8.8

And this time I was youtubing, it shows the disconnect in the log

01-30 12:59:29:620 W/I Tool version : 3.19
01-30 12:59:29:620 W/I adb.exe
01-30 12:59:29:620 W/I aapt.exe
01-30 12:59:29:752 W/I Android Debug Bridge version 1.0.31

01-30 13:00:38.63 A/I process (2283) : Start proc service.tracetool for broadcast service.tracetool/.TTBroadcastReceiver: pid=9996 uid=10189 gids={50189, 3003, 1028}
01-30 13:00:38.75 A/I UsbThread1 : usbServerSocket : Waiting for the host to connect

01-30 12:59:33:135 W/I Wait java service
01-30 12:59:33:238 W/I waiting android server connection ... 1
01-30 12:59:33:561 W/I Waiting for connection
01-30 12:59:34:442 W/I Sending busybox21
01-30 12:59:35:035 L/E /storage/emulated/0/busybox21 : not deleted
01-30 12:59:35:127 L/D HOST : cyanogenmod
01-30 12:59:35:128 L/D RELEASE : 4.3.1
01-30 12:59:35:128 L/D SDK : 18
01-30 12:59:35:128 L/D FINGERPRINT : samsung/m0xx/m0:4.3/JSS15J/I9300XXUGMJ9:user/release-keys
01-30 12:59:35:129 L/D VM name : Dalvik
01-30 12:59:35:129 L/D OS Arch : armv7l
01-30 12:59:35:130 L/D Reverse tethering package version : 3.19
01-30 12:59:35:139 L/D Xposed installer : 2.4.1, app_process : 47, XposedBridge.jar : 42
01-30 12:59:35:144 L/D Hack Connectivity Service. Package version : 1.4, mode : 0, trace : 0
01-30 12:59:36:538 W/I interfaces before script startlo(UP) 127.0.0.1/8, sit0(UP) 192.168.1.2/24, ip6tnl0(DOWN), rmnet0(DOWN), rmnet1(DOWN), rmnet2(DOWN), p2p0(UP), wlan0(UP)
01-30 12:59:36:785 W/I route : destination : 0.0.0.0, gateway : 192.168.1.2, output : sit0
01-30 12:59:36:785 W/I route : destination : 192.168.1.0, gateway : 0.0.0.0, output : sit0
01-30 12:59:36:808 L/D OnStart script 3.19
01-30 12:59:36:820 L/D Interface to use : "sit0"
01-30 12:59:36:974 L/E Error running command :
01-30 12:59:36:974 L/E iptables -t nat -N TETHER
01-30 12:59:36:975 L/E iptables: Chain already exists.
01-30 12:59:37:153 L/D ifconfig sit0 192.168.1.2 netmask 255.255.255.0
01-30 12:59:37:404 L/I route del default gateway 192.168.1.2
01-30 12:59:37:407 L/D route add default gateway 192.168.1.2 sit0
01-30 12:59:38:176 L/D redirect all communications to TETHER chain
01-30 12:59:38:273 L/D forward tcp to native handler
01-30 12:59:39:067 L/D OnStart script done
01-30 13:00:44.85 A/V Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:44.85 A/V 0 0 oem_nat_pre all -- any any anywhere anywhere
01-30 13:00:44.85 A/V Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:44.85 A/V Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:44.85 A/V 839 56799 TETHER all -- any any anywhere anywhere
01-30 13:00:44.85 A/V 0 0 TETHER all -- any any anywhere anywhere
01-30 13:00:44.85 A/V Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:44.85 A/V 871 58753 natctrl_nat_POSTROUTING all -- any any anywhere anywhere
01-30 13:00:44.85 A/V Chain TETHER (2 references)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:44.85 A/V 0 0 REDIRECT tcp -- any sit0 anywhere anywhere tcp dpts:tcpmux:41999 redir ports 42200
01-30 13:00:44.85 A/V 0 0 REDIRECT tcp -- any sit0 anywhere anywhere tcp dpts:42500:65535 redir ports 42200
01-30 13:00:44.85 A/V 0 0 REDIRECT udp -- any sit0 anywhere anywhere udp dpt:domain redir ports 42001
01-30 13:00:44.85 A/V Chain natctrl_nat_POSTROUTING (1 references)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:44.85 A/V Chain oem_nat_pre (1 references)
01-30 13:00:44.85 A/V pkts bytes target prot opt in out source destination
01-30 13:00:45.03 A/V cppMainTcpServerLoop : started
01-30 12:59:39:538 L/D => setHackMode to 'Wifi' result : 1
01-30 12:59:40:593 W/I interfaces after script startlo(UP) 127.0.0.1/8, sit0(UP) 192.168.1.2/24, ip6tnl0(DOWN), rmnet0(DOWN), rmnet1(DOWN), rmnet2(DOWN), p2p0(UP), wlan0(UP)
01-30 12:59:40:752 W/I route : destination : 0.0.0.0, gateway : 192.168.1.2, output : sit0
01-30 12:59:40:752 W/I route : destination : 192.168.1.0, gateway : 0.0.0.0, output : sit0
01-30 12:59:40:752 W/I
01-30 12:59:40:752 W/I Connection done
01-30 13:09:14:360 W/D UsbThread : ReadBytes : Connection Closed Gracefully.
01-30 13:09:14:371 W/E Starting logcat
01-30 13:09:15:167 W/E Disconnected. Waiting for device reconnection... !
01-30 13:09:15:309 W/I trying reconnect. This can take up to 30 seconds
01-30 13:09:17:464 W/I trying reconnect 2...
01-30 13:09:19:616 W/I trying reconnect 3...
01-30 13:09:21:771 W/I trying reconnect 4...
01-30 13:09:23:922 W/I trying reconnect 5...
01-30 13:09:26:075 W/I trying reconnect 6...
01-30 13:09:28:228 W/I trying reconnect 7...
01-30 13:09:30:382 W/I trying reconnect 8...
01-30 13:09:32:533 W/I trying reconnect 9...
01-30 13:09:34:687 W/I trying reconnect 10...
01-30 13:09:36:839 W/I trying reconnect 11...
01-30 13:09:38:994 W/I trying reconnect 12...
01-30 13:09:41:148 W/I trying reconnect 13...
01-30 13:09:42:156 W/I TNativeTcpTunnelClient send back to android : Exception for handle 102
01-30 13:09:43:316 W/I trying reconnect 14...
01-30 13:09:45:475 W/I trying reconnect 15...
01-30 13:09:47:676 W/I trying reconnect 16...
01-30 13:09:49:847 W/I trying reconnect 17...
01-30 13:09:52:010 W/I trying reconnect 18...
01-30 13:09:54:173 W/I trying reconnect 19...
01-30 13:09:56:323 W/I trying reconnect 20...
01-30 13:09:58:475 W/I trying reconnect 21...

Server List at 01-30 13:10:40:205
domain (53) : A->H : 14500 ,H->A : 8039
https (443) : A->H : 48872 ,H->A : 692790
Google Play (5228) : A->H : 895 ,H->A : 955
http (80) : A->H : 279325 ,H->A : 98212041
4070 : A->H : 117635 ,H->A : 61954940
imaps (993) : A->H : 1934 ,H->A : 14024
xmpp-client (5222) : A->H : 187 ,H->A : 342

DNS List
139.18.25.3
139.18.1.2
8.8.8.8

And I often get these