INFO : [00:32:36] : MESSAGE FROM SERVER: welcome on ALTMINER.NET - happy mining!
INFO : [00:32:37] : Share difficulty reset -- 256 (0.00391)
INFO : [00:32:37] : New block #1189445 received, new difficulty is 12.610
INFO : [00:32:38] : GPU #1: GeForce GTX 1060 6GB, flags: 0, 0, 1
INFO : [00:32:38] : GPU #0: GeForce GTX 1060 6GB, flags: 0, 0, 1
INFO : [00:32:39] : New block #86061 received, new difficulty is 111.493
INFO : [00:32:39] : Share Rejected, Invalid job idMiner send to pool request on block 1189445?

Looks like this, to figure it out someone needs to setup "lab pool", which he certainly knows won't switch blocks insanely, and trace all network exchange