<warn> Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported'

[Enrico Mioso]

BTW, you guys may be interested in this:
https://stackoverflow.com/q/57675594



On Thu, 31 Oct 2019, Enrico Mioso wrote:

> Date: Thu, 31 Oct 2019 22:33:38
> From: Enrico Mioso <mrkiko.rs at gmail.com>
> To: "ModemManager (development)" <ModemManager-devel at lists.freedesktop.org>
> Cc: Nick <mips171 at icloud.com>
> Subject: <warn>  Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port
>     'usbmisc/cdc-wdm0', unsupported'
> 
> Hello!
> I am experiencing an interesting issue with a Quectel EC25 modem in an 
> OpenWRt-based system.
>
> Thu Oct 31 08:24:47 2019 daemon.warn [3133]: <warn>  Could not grab port 
> (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported'
> Thu Oct 31 08:24:52 2019 daemon.warn [3133]: <warn>  Couldn't build device 
> ids: 'Unsupported subsystem: /sys/bus'
>
> Where may I look for?
>
> thank you very very much guys, sorry for my absence during the merge phase.
>
> Enrico
>