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[GH-ISSUE #111] tcp over udp出错 #57
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Originally created by @dreamren on GitHub (Jul 13, 2018).
Original GitHub issue: https://github.com/snail007/goproxy/issues/111
需求：服务端443端口（tcp）提供服务，现在需要构造一个tunnel使tcp通过udp的方式传输，使用场景有一定的并发量，使用kcptun能够正常工作，但是不稳定，kcptun服务端经常退出，所以在寻求类似的稳定服务，但是goproxy出了些问题，无法正常工作，最新5.2版本。两台服务器在时间上没有秒级误差。
服务端命令：
proxy udp -p ":999" -T tcp -P "127.0.0.1:443" --debug打印信息：
2018/07/13 01:14:32.819691 config.go:432: [profiling] cpu profiling save to file : cpu.prof
2018/07/13 01:14:32.820377 config.go:433: [profiling] memory profiling save to file : memory.prof
2018/07/13 01:14:32.820569 config.go:434: [profiling] block profiling save to file : block.prof
2018/07/13 01:14:32.820770 config.go:435: [profiling] goroutine profiling save to file : goroutine.prof
2018/07/13 01:14:32.820951 config.go:436: [profiling] threadcreate profiling save to file : threadcreate.prof
2018/07/13 01:14:32.821181 udp.go:93: use tcp parent 127.0.0.1:443
2018/07/13 01:14:32.822177 udp.go:105: udp proxy on [::]:999
2018/07/13 01:14:54.073971 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:29105
2018/07/13 01:14:54.074006 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:18161
2018/07/13 01:14:54.073977 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:60786
2018/07/13 01:14:54.074414 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:37508
2018/07/13 01:14:54.074782 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:54171
2018/07/13 01:14:54.257913 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:17450
2018/07/13 01:14:54.516113 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:19038
2018/07/13 01:14:54.911017 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:46784
2018/07/13 01:14:55.205605 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:36105
2018/07/13 01:14:55.310058 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:14991
2018/07/13 01:14:55.808680 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:41119
2018/07/13 01:14:55.844001 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:28286
2018/07/13 01:14:56.037558 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:15057
2018/07/13 01:14:56.155848 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:15979
2018/07/13 01:14:56.217992 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:53794
2018/07/13 01:14:56.317631 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:35169
2018/07/13 01:14:56.429038 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:38272
2018/07/13 01:14:56.511331 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:23662
2018/07/13 01:14:56.547396 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:63769
2018/07/13 01:14:57.077432 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:16765
2018/07/13 01:14:57.083115 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:29029
2018/07/13 01:14:57.091053 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:11132
2018/07/13 01:14:57.091218 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:10025
2018/07/13 01:14:57.091395 udp.go:181: parse revecived udp packet fail, err: read tcp 127.0.0.1:35930->127.0.0.1:443: read: connection reset by peer
2018/07/13 01:14:57.095029 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:46260
2018/07/13 01:14:57.095205 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:40283
2018/07/13 01:14:57.106171 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:53674
2018/07/13 01:14:57.118022 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:48801
2018/07/13 01:14:57.217609 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:50337
2018/07/13 01:14:57.514763 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:48171
2018/07/13 01:14:57.519534 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:49680
2018/07/13 01:14:57.886061 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:57304
2018/07/13 01:14:58.137506 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:40631
2018/07/13 01:14:58.204160 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:28040
2018/07/13 01:14:58.316761 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:14014
2018/07/13 01:14:58.517858 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:24333
2018/07/13 01:14:58.582333 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:16370
2018/07/13 01:14:58.605890 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:13127
2018/07/13 01:14:58.645031 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:58160
2018/07/13 01:14:58.788328 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:41000
2018/07/13 01:14:58.879169 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:33704
2018/07/13 01:14:59.055307 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:30517
2018/07/13 01:14:59.117964 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:48815
2018/07/13 01:14:59.272045 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:21873
2018/07/13 01:14:59.390404 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:32352
2018/07/13 01:14:59.840772 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:12132
2018/07/13 01:14:59.863216 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:23241
2018/07/13 01:15:00.152198 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:23276
2018/07/13 01:15:00.192590 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:40464
2018/07/13 01:15:00.389603 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:31620
2018/07/13 01:15:00.429477 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:47661
2018/07/13 01:15:00.542131 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:38899
2018/07/13 01:15:00.562233 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:51309
2018/07/13 01:15:00.586635 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:28976
2018/07/13 01:15:00.719414 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:27291
2018/07/13 01:15:00.859422 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:58298
2018/07/13 01:15:00.995348 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:39113
2018/07/13 01:15:01.024016 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:29594
2018/07/13 01:15:01.029910 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:49148
2018/07/13 01:15:01.037924 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:27259
2018/07/13 01:15:01.415867 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:50894
2018/07/13 01:15:01.618110 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:17806
2018/07/13 01:15:01.628372 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:20544
2018/07/13 01:15:01.629799 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:42152
2018/07/13 01:15:01.677761 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:15745
2018/07/13 01:15:01.993354 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:15102
2018/07/13 01:15:02.015141 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:55633
2018/07/13 01:15:02.432863 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:63411
2018/07/13 01:15:02.493584 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:38409
2018/07/13 01:15:02.518782 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:61454
2018/07/13 01:15:02.535255 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:56914
2018/07/13 01:15:02.548832 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:32112
2018/07/13 01:15:03.208522 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:59396
2018/07/13 01:15:03.315854 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:31789
2018/07/13 01:15:03.322549 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:57084
2018/07/13 01:15:03.377135 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:24890
2018/07/13 01:15:03.445575 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:22477
2018/07/13 01:15:03.627112 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:44222
2018/07/13 01:15:03.643348 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:53160
2018/07/13 01:15:03.721256 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:37745
2018/07/13 01:15:03.801930 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:38627
2018/07/13 01:15:03.888288 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:11888
2018/07/13 01:15:03.897504 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:50794
2018/07/13 01:15:03.984358 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:59767
2018/07/13 01:15:04.032918 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:26681
2018/07/13 01:15:04.420816 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:39015
2018/07/13 01:15:04.450080 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:51018
2018/07/13 01:15:04.508742 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:31778
2018/07/13 01:15:04.598402 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:62073
2018/07/13 01:15:04.712186 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:40270
2018/07/13 01:15:04.756633 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:60903
2018/07/13 01:15:04.847328 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:13285
2018/07/13 01:15:04.877475 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:49164
2018/07/13 01:15:04.917758 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:10021
2018/07/13 01:15:04.924467 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:36763
2018/07/13 01:15:05.017865 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:31370
2018/07/13 01:15:05.018508 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:34803
2018/07/13 01:15:05.388304 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:27715
2018/07/13 01:15:05.394338 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:10383
2018/07/13 01:15:05.461777 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:25047
2018/07/13 01:15:05.539228 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:63098
2018/07/13 01:15:05.540073 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:45329
2018/07/13 01:15:05.816013 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:29793
2018/07/13 01:15:05.831208 udp.go:168: conn 3303611501 created , local: 123.xxx.xxx.xxx:13045
2018/07/13 01:15:05.873367 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:22666
2018/07/13 01:15:05.888417 udp.go:168: conn 3303611503 created , local: 123.xxx.xxx.xxx:44243
2018/07/13 01:15:05.900838 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:11522
2018/07/13 01:15:06.013277 udp.go:168: conn 3303611507 created , local: 123.xxx.xxx.xxx:43188
2018/07/13 01:15:06.037276 udp.go:168: conn 3303611504 created , local: 123.xxx.xxx.xxx:31777
2018/07/13 01:15:06.226981 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:44399
2018/07/13 01:15:06.441475 udp.go:168: conn 3303611509 created , local: 123.xxx.xxx.xxx:54398
2018/07/13 01:15:06.956781 udp.go:168: conn 3303611505 created , local: 123.xxx.xxx.xxx:47107
2018/07/13 01:15:07.365647 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:11018
2018/07/13 01:15:07.606021 udp.go:168: conn 3303611508 created , local: 123.xxx.xxx.xxx:14647
2018/07/13 01:15:07.749596 udp.go:168: conn 3303611506 created , local: 123.xxx.xxx.xxx:47447
2018/07/13 01:15:08.630128 udp.go:168: conn 3303611500 created , local: 123.xxx.xxx.xxx:27596
2018/07/13 01:15:09.163332 udp.go:168: conn 3303611502 created , local: 123.xxx.xxx.xxx:24698
客户端命令：
proxy tcp -p ":4433" -T udp -P "163.xx.xx.xx:999" --debug打印信息：
2018/07/13 09:14:35.098380 config.go:432: [profiling] cpu profiling save to file : cpu.prof
2018/07/13 09:14:35.098493 config.go:433: [profiling] memory profiling save to file : memory.prof
2018/07/13 09:14:35.098564 config.go:434: [profiling] block profiling save to file : block.prof
2018/07/13 09:14:35.098632 config.go:435: [profiling] goroutine profiling save to file : goroutine.prof
2018/07/13 09:14:35.098700 config.go:436: [profiling] threadcreate profiling save to file : threadcreate.prof
2018/07/13 09:14:35.098775 tcp.go💯 use udp parent 163.xx.xx.xx:999
2018/07/13 09:14:35.100329 tcp.go:115: tcp proxy on [::]:4433
2018/07/13 09:14:54.038477 tcp.go:171: conn created , remote : 127.0.0.1:63383
2018/07/13 09:14:54.040501 tcp.go:171: conn created , remote : 127.0.0.1:63391
2018/07/13 09:14:54.042190 tcp.go:171: conn created , remote : 127.0.0.1:63385
2018/07/13 09:14:54.042315 tcp.go:171: conn created , remote : 127.0.0.1:63387
2018/07/13 09:14:54.042410 tcp.go:171: conn created , remote : 127.0.0.1:63389
2018/07/13 09:14:54.224165 tcp.go:171: conn created , remote : 127.0.0.1:63393
2018/07/13 09:14:54.484139 tcp.go:171: conn created , remote : 127.0.0.1:63395
2018/07/13 09:14:54.877450 tcp.go:171: conn created , remote : 127.0.0.1:63399
2018/07/13 09:14:55.172187 tcp.go:171: conn created , remote : 127.0.0.1:63403
2018/07/13 09:14:55.277308 tcp.go:171: conn created , remote : 127.0.0.1:63405
2018/07/13 09:14:55.775354 tcp.go:171: conn created , remote : 127.0.0.1:63409
2018/07/13 09:14:55.812189 tcp.go:171: conn created , remote : 127.0.0.1:63411
2018/07/13 09:14:56.003827 tcp.go:171: conn created , remote : 127.0.0.1:63413
2018/07/13 09:14:56.042271 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:60786->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.042385 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:18161->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.042446 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:37508->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.042509 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:54171->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.042578 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:29105->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.123247 tcp.go:171: conn created , remote : 127.0.0.1:63415
2018/07/13 09:14:56.181524 tcp.go:171: conn created , remote : 127.0.0.1:63417
2018/07/13 09:14:56.208272 tcp.go:171: conn created , remote : 127.0.0.1:63419
2018/07/13 09:14:56.226041 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:17450->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.395997 tcp.go:171: conn created , remote : 127.0.0.1:63421
2018/07/13 09:14:56.478112 tcp.go:171: conn created , remote : 127.0.0.1:63423
2018/07/13 09:14:56.484857 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:19038->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:56.515142 tcp.go:171: conn created , remote : 127.0.0.1:63425
2018/07/13 09:14:56.877895 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:46784->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:57.044430 tcp.go:171: conn created , remote : 127.0.0.1:63429
2018/07/13 09:14:57.051409 tcp.go:171: conn created , remote : 127.0.0.1:63431
2018/07/13 09:14:57.058123 tcp.go:171: conn created , remote : 127.0.0.1:63433
2018/07/13 09:14:57.058324 tcp.go:171: conn created , remote : 127.0.0.1:63435
2018/07/13 09:14:57.059086 tcp.go:171: conn created , remote : 127.0.0.1:63437
2018/07/13 09:14:57.062526 tcp.go:171: conn created , remote : 127.0.0.1:63439
2018/07/13 09:14:57.062844 tcp.go:171: conn created , remote : 127.0.0.1:63441
2018/07/13 09:14:57.073770 tcp.go:171: conn created , remote : 127.0.0.1:63443
2018/07/13 09:14:57.073934 tcp.go:171: conn created , remote : 127.0.0.1:63445
2018/07/13 09:14:57.075222 tcp.go:171: conn created , remote : 127.0.0.1:63447
2018/07/13 09:14:57.172658 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:36105->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:57.277714 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:14991->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:57.482352 tcp.go:171: conn created , remote : 127.0.0.1:63449
2018/07/13 09:14:57.486934 tcp.go:171: conn created , remote : 127.0.0.1:63451
2018/07/13 09:14:57.775750 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:41119->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:57.812836 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:28286->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:57.853622 tcp.go:171: conn created , remote : 127.0.0.1:63453
2018/07/13 09:14:58.004227 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:15057->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.105050 tcp.go:171: conn created , remote : 127.0.0.1:63455
2018/07/13 09:14:58.123702 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:15979->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.170868 tcp.go:171: conn created , remote : 127.0.0.1:63457
2018/07/13 09:14:58.181920 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:53794->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.208670 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:35169->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.283760 tcp.go:171: conn created , remote : 127.0.0.1:63459
2018/07/13 09:14:58.396433 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:38272->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.471661 tcp.go:171: conn created , remote : 127.0.0.1:63461
2018/07/13 09:14:58.478602 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:23662->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.515558 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:63769->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:58.550377 tcp.go:171: conn created , remote : 127.0.0.1:63463
2018/07/13 09:14:58.572888 tcp.go:171: conn created , remote : 127.0.0.1:63465
2018/07/13 09:14:58.612024 tcp.go:171: conn created , remote : 127.0.0.1:63467
2018/07/13 09:14:58.754561 tcp.go:171: conn created , remote : 127.0.0.1:63469
2018/07/13 09:14:58.846010 tcp.go:171: conn created , remote : 127.0.0.1:63471
2018/07/13 09:14:59.022806 tcp.go:171: conn created , remote : 127.0.0.1:63475
2018/07/13 09:14:59.041751 tcp.go:171: conn created , remote : 127.0.0.1:63477
2018/07/13 09:14:59.044694 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:16765->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.051770 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:29029->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.058621 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:10025->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.058719 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:11132->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.059370 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:44504->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.062832 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:46260->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.063137 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:40283->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.074279 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:53674->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.074318 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:48801->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.075664 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:50337->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.239820 tcp.go:171: conn created , remote : 127.0.0.1:63479
2018/07/13 09:14:59.356629 tcp.go:171: conn created , remote : 127.0.0.1:63481
2018/07/13 09:14:59.482861 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:48171->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.487415 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:49680->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:14:59.807835 tcp.go:171: conn created , remote : 127.0.0.1:63483
2018/07/13 09:14:59.830661 tcp.go:171: conn created , remote : 127.0.0.1:63485
2018/07/13 09:14:59.854106 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:57304->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.105591 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:40631->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.118868 tcp.go:171: conn created , remote : 127.0.0.1:63487
2018/07/13 09:15:00.160468 tcp.go:171: conn created , remote : 127.0.0.1:63491
2018/07/13 09:15:00.171395 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:28040->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.284246 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:14014->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.356885 tcp.go:171: conn created , remote : 127.0.0.1:63495
2018/07/13 09:15:00.397388 tcp.go:171: conn created , remote : 127.0.0.1:63497
2018/07/13 09:15:00.471942 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:24333->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.508856 tcp.go:171: conn created , remote : 127.0.0.1:63499
2018/07/13 09:15:00.528941 tcp.go:171: conn created , remote : 127.0.0.1:63501
2018/07/13 09:15:00.550658 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:16370->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.554853 tcp.go:171: conn created , remote : 127.0.0.1:63503
2018/07/13 09:15:00.573160 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:13127->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.612393 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:58160->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.686458 tcp.go:171: conn created , remote : 127.0.0.1:63505
2018/07/13 09:15:00.754988 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:41000->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.826365 tcp.go:171: conn created , remote : 127.0.0.1:63507
2018/07/13 09:15:00.846444 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:33704->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:00.962421 tcp.go:171: conn created , remote : 127.0.0.1:63511
2018/07/13 09:15:00.991070 tcp.go:171: conn created , remote : 127.0.0.1:63513
2018/07/13 09:15:00.997602 tcp.go:171: conn created , remote : 127.0.0.1:63515
2018/07/13 09:15:01.004882 tcp.go:171: conn created , remote : 127.0.0.1:63517
2018/07/13 09:15:01.023184 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:30517->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:01.042197 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:48815->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:01.240448 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:21873->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:01.357030 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:32352->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:01.382404 tcp.go:171: conn created , remote : 127.0.0.1:63521
2018/07/13 09:15:01.501997 tcp.go:171: conn created , remote : 127.0.0.1:63523
2018/07/13 09:15:01.594902 tcp.go:171: conn created , remote : 127.0.0.1:63525
2018/07/13 09:15:01.597663 tcp.go:171: conn created , remote : 127.0.0.1:63527
2018/07/13 09:15:01.645713 tcp.go:171: conn created , remote : 127.0.0.1:63529
2018/07/13 09:15:01.808293 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:12132->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:01.831161 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:23241->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:01.960078 tcp.go:171: conn created , remote : 127.0.0.1:63533
2018/07/13 09:15:01.982012 tcp.go:171: conn created , remote : 127.0.0.1:63535
2018/07/13 09:15:02.119276 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:23276->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.160886 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:40464->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.357315 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:31620->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.397775 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:47661->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.400685 tcp.go:171: conn created , remote : 127.0.0.1:63541
2018/07/13 09:15:02.459822 tcp.go:171: conn created , remote : 127.0.0.1:63543
2018/07/13 09:15:02.485993 tcp.go:171: conn created , remote : 127.0.0.1:63545
2018/07/13 09:15:02.502808 tcp.go:171: conn created , remote : 127.0.0.1:63547
2018/07/13 09:15:02.509202 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:38899->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.515515 tcp.go:171: conn created , remote : 127.0.0.1:63549
2018/07/13 09:15:02.529362 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:51309->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.555242 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:28976->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.686848 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:27291->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.826942 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:58298->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.963057 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:39113->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.991431 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:29594->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:02.997967 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:49148->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.005224 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:27259->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.175936 tcp.go:171: conn created , remote : 127.0.0.1:63555
2018/07/13 09:15:03.283147 tcp.go:171: conn created , remote : 127.0.0.1:63559
2018/07/13 09:15:03.290580 tcp.go:171: conn created , remote : 127.0.0.1:63563
2018/07/13 09:15:03.344124 tcp.go:171: conn created , remote : 127.0.0.1:63565
2018/07/13 09:15:03.382781 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:50894->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.412011 tcp.go:171: conn created , remote : 127.0.0.1:63567
2018/07/13 09:15:03.502362 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:17806->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.595255 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:20544->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.595491 tcp.go:171: conn created , remote : 127.0.0.1:63569
2018/07/13 09:15:03.597999 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:42152->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.610353 tcp.go:171: conn created , remote : 127.0.0.1:63571
2018/07/13 09:15:03.646166 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:15745->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.657533 tcp.go:171: conn created , remote : 127.0.0.1:63573
2018/07/13 09:15:03.769870 tcp.go:171: conn created , remote : 127.0.0.1:63575
2018/07/13 09:15:03.855043 tcp.go:171: conn created , remote : 127.0.0.1:63577
2018/07/13 09:15:03.865330 tcp.go:171: conn created , remote : 127.0.0.1:63581
2018/07/13 09:15:03.951336 tcp.go:171: conn created , remote : 127.0.0.1:63583
2018/07/13 09:15:03.960591 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:15102->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:03.982448 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:55633->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:04.000234 tcp.go:171: conn created , remote : 127.0.0.1:63585
2018/07/13 09:15:04.387559 tcp.go:171: conn created , remote : 127.0.0.1:63589
2018/07/13 09:15:04.401296 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:63411->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:04.417182 tcp.go:171: conn created , remote : 127.0.0.1:63591
2018/07/13 09:15:04.460285 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:38409->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:04.475703 tcp.go:171: conn created , remote : 127.0.0.1:63593
2018/07/13 09:15:04.486372 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:61454->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:04.503160 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:56914->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:04.517811 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:32112->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:04.565258 tcp.go:171: conn created , remote : 127.0.0.1:63595
2018/07/13 09:15:04.679499 tcp.go:171: conn created , remote : 127.0.0.1:63597
2018/07/13 09:15:04.724819 tcp.go:171: conn created , remote : 127.0.0.1:63599
2018/07/13 09:15:04.813924 tcp.go:171: conn created , remote : 127.0.0.1:63603
2018/07/13 09:15:04.844219 tcp.go:171: conn created , remote : 127.0.0.1:63605
2018/07/13 09:15:04.865000 tcp.go:171: conn created , remote : 127.0.0.1:63609
2018/07/13 09:15:04.891537 tcp.go:171: conn created , remote : 127.0.0.1:63611
2018/07/13 09:15:04.953930 tcp.go:171: conn created , remote : 127.0.0.1:63613
2018/07/13 09:15:04.977681 tcp.go:171: conn created , remote : 127.0.0.1:63615
2018/07/13 09:15:05.176354 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:59396->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.283807 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:31789->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.290956 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:57084->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.344485 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:24890->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.356365 tcp.go:171: conn created , remote : 127.0.0.1:63619
2018/07/13 09:15:05.361385 tcp.go:171: conn created , remote : 127.0.0.1:63621
2018/07/13 09:15:05.412366 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:22477->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.429714 tcp.go:171: conn created , remote : 127.0.0.1:63623
2018/07/13 09:15:05.507276 tcp.go:171: conn created , remote : 127.0.0.1:63625
2018/07/13 09:15:05.508503 tcp.go:171: conn created , remote : 127.0.0.1:63627
2018/07/13 09:15:05.595821 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:44222->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.610713 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:53160->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.657916 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:37745->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.770233 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:38627->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.783204 tcp.go:171: conn created , remote : 127.0.0.1:63629
2018/07/13 09:15:05.799095 tcp.go:171: conn created , remote : 127.0.0.1:63631
2018/07/13 09:15:05.841368 tcp.go:171: conn created , remote : 127.0.0.1:63633
2018/07/13 09:15:05.855495 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:11888->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.856670 tcp.go:171: conn created , remote : 127.0.0.1:63635
2018/07/13 09:15:05.865808 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:50794->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.867858 tcp.go:171: conn created , remote : 127.0.0.1:63637
2018/07/13 09:15:05.951720 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:59767->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:05.980479 tcp.go:171: conn created , remote : 127.0.0.1:63641
2018/07/13 09:15:06.000615 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:26681->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.004096 tcp.go:171: conn created , remote : 127.0.0.1:63643
2018/07/13 09:15:06.193660 tcp.go:171: conn created , remote : 127.0.0.1:63645
2018/07/13 09:15:06.387950 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:39015->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.408050 tcp.go:171: conn created , remote : 127.0.0.1:63647
2018/07/13 09:15:06.417533 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:51018->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.476142 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:31778->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.565658 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:62073->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.679944 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:40270->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.725217 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:60903->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.814300 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:13285->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.844630 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:49164->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.865393 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:10021->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.891941 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:36763->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.924604 tcp.go:171: conn created , remote : 127.0.0.1:63651
2018/07/13 09:15:06.954388 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:31370->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:06.978292 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:34803->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.332418 tcp.go:171: conn created , remote : 127.0.0.1:63653
2018/07/13 09:15:07.356731 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:27715->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.361756 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:10383->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.430177 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:25047->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.507657 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:63098->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.508784 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:45329->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.573279 tcp.go:171: conn created , remote : 127.0.0.1:63655
2018/07/13 09:15:07.716745 tcp.go:171: conn created , remote : 127.0.0.1:63657
2018/07/13 09:15:07.783567 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:29793->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.799463 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:13045->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.841833 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:22666->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.857008 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:44243->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.868212 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:11522->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:07.980926 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:43188->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:08.004507 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:31777->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:08.194088 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:44399->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:08.408557 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:54398->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:08.597060 tcp.go:171: conn created , remote : 127.0.0.1:63659
2018/07/13 09:15:08.924986 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:47107->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:09.130131 tcp.go:171: conn created , remote : 127.0.0.1:63663
2018/07/13 09:15:09.332786 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:11018->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:09.573653 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:14647->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:09.717155 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:47447->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:10.597584 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:27596->163.xx.xx.xx:999: i/o timeout
2018/07/13 09:15:11.130581 tcp.go:206: read udp response from 163.xx.xx.xx:999 fail ,ERR:read udp 172.16.0.13:24698->163.xx.xx.xx:999: i/o timeout
@snail007 commented on GitHub (Jul 13, 2018):
使用错误，不支持这样使用，只支持udp over tcp，一二级用反了。
@dreamren commented on GitHub (Jul 14, 2018):
既然tcp over udp不能实现，那么tcp over kcp之类的也不能利用goproxy去实现吗？也就是说goproxy虽然涵盖了kcp协议，但是并不支持在传输层上为tcp协议实现kcp隧道对吧？
@snail007 commented on GitHub (Jul 14, 2018):
goproxy使用kcp作为底层传输，只是tcp功能还没有使用kcp，目前使用tls，tcp通过kcp也就是udp传输是没问题的，goproxy的http socks5代理底层都支持kcp传输也就是tcp over udp的体现。
@dreamren commented on GitHub (Jul 14, 2018):
就是说目前goproxy仅仅是对固定的几种基于tcp的代理或加密协议有kcp支持，对一般通用的tcp协议没有做支持对吧。
@snail007 commented on GitHub (Jul 15, 2018):
tcp 端口映射功能还没有适配,可以放入未来计划，进行支持。
@snail007 commented on GitHub (Aug 3, 2018):
proxy help tcp
-T, --parent-type=PARENT-TYPE parent protocol type <tls|tcp|kcp|udp>
-t, --local-type=tcp local protocol type <tls|tcp|kcp>