here are some logs from when that happens :
2019-03-29T10:23:34.250Z cpu11:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:23:34.250Z cpu11:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:25:32.281Z cpu0:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:25:32.281Z cpu0:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:27:33.860Z cpu15:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:27:33.860Z cpu15:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:29:30.328Z cpu14:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:29:30.328Z cpu14:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:31:29.172Z cpu5:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:31:29.172Z cpu5:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:33:29.750Z cpu8:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:33:29.750Z cpu8:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:35:31.562Z cpu10:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:35:31.562Z cpu10:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:37:30.062Z cpu13:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:37:30.062Z cpu13:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:39:28.576Z cpu8:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:39:28.576Z cpu8:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
2019-03-29T10:41:26.047Z cpu2:2637339)WARNING: VSCSI: 3510: handle 8229(vscsi0:0):WaitForCIF: Issuing reset; number of CIF:2
2019-03-29T10:41:26.047Z cpu2:2637339)WARNING: VSCSI: 2657: handle 8229(vscsi0:0):Ignoring double reset
any idea ??
thanks