2017-04-12 09:17:28 /THREAD(19) Web file not found: 203.188.197.111:25
...
2017-04-14 02:20:46 /THREAD(19) Web file not found: http:/httpheader.net/
2017-04-14 08:19:02 /THREAD(18) Web file not found: http:/www.17track.net/restapi/handlertest.ashx
This is not the issue of upgrade SERP. But serverip.dat in this case contains the value: 192.168.88.12:1301, so this is local IP of the server with SERP.
Anyway I don't understand what do you me...