Problem with USB <---> UPS management connection

[wishmaster]

Hi, colleagues!

Something strange happens with a server. I am attempting to connect management interface of UPS with server via USB.
In console I see a lot of errors:

Mar  7 13:42:04 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus2
Mar  7 13:42:05 xxx kernel: uhid0 on uhub6
Mar  7 13:42:05 xxx kernel: uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 2> on usbus2
Mar  7 13:42:08 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus2 (disconnected)
Mar  7 13:42:08 xxx kernel: uhid0: at uhub6, port 3, addr 2 (disconnected)
Mar  7 13:42:08 xxx kernel: uhid0: detached
Mar  7 13:42:12 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus2
Mar  7 13:42:12 xxx kernel: uhid0 on uhub6
Mar  7 13:42:12 xxx kernel: uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 2> on usbus2
Mar  7 13:42:16 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus2 (disconnected)
Mar  7 13:42:16 xxx kernel: uhid0: at uhub6, port 3, addr 2 (disconnected)
Mar  7 13:42:16 xxx kernel: uhid0: detached

I have changed USB-cables, USB port on the server - without success.
On another server this problem is absent.

FreeBSD version: FreeBSD 11.1-STABLE #1 r329364M:

Any ideas?

--
Vitaliy