USB-dongle modem keeps changing from cuaU0 to cuaU1 and bck

[Willem Jan Withagen]

On 1-9-2020 16:10, Hans Petter Selasky wrote:
> On 2020-09-01 15:54, Willem Jan Withagen wrote:
>> Could it be because the dongle itself crashes?
>
> Yes, if they reboot or there are disturbances on the USB cables, then 
> a new index number may be assigned during re-enumeration.

There is no hub or something in between, and it is directly connected.
So I'm guessing that the modem resets/reboots.

Let's see if devd can help.

It does not happen very often, but now already twice on a day that it 
should have worked.
8-(

--WjW