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USB tethering does not work at all

When I connect my Librem 11 via USB-C cable, I expect that on both devices network interfaces will come up, as it does with the Librem 5 (usb0 in L5 and en7 in MacOS).

The only visible reaction is in /var/log/syslog these lines:

2023-11-03T09:34:49.131639+00:00 pureos kernel: [ 4049.766672] usb 1-7: USB disconnect, device number 29
2023-11-03T09:34:49.248747+00:00 pureos acpid: input device has been disconnected, fd 16
2023-11-03T09:34:49.291865+00:00 pureos acpid: input device has been disconnected, fd 17
2023-11-03T09:34:49.348458+00:00 pureos acpid: input device has been disconnected, fd 18
2023-11-03T09:34:50.051901+00:00 pureos kernel: [ 4050.683120] usb 1-7: new full-speed USB device number 30 using xhci_hcd
2023-11-03T09:34:50.203616+00:00 pureos kernel: [ 4050.835719] usb 1-7: New USB device found, idVendor=1018, idProduct=1008, bcdDevice= 1.00
2023-11-03T09:34:50.203651+00:00 pureos kernel: [ 4050.835740] usb 1-7: New USB device strings: Mfr=0, Product=0, SerialNumber=0
2023-11-03T09:34:50.207621+00:00 pureos kernel: [ 4050.840763] input: HID 1018:1008 as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/0003:1018:1008.0025/input/input75
2023-11-03T09:34:50.210309+00:00 pureos mtp-probe: checking bus 1, device 30: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7"
2023-11-03T09:34:50.210646+00:00 pureos mtp-probe: bus: 1, device: 30 was not an MTP device
2023-11-03T09:34:50.267538+00:00 pureos kernel: [ 4050.901032] hid-generic 0003:1018:1008.0025: input,hidraw1: USB HID v1.11 Keyboard [HID 1018:1008] on usb-0000:00:14.0-7/input0
2023-11-03T09:34:50.271531+00:00 pureos kernel: [ 4050.906335] input: HID 1018:1008 System Control as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.1/0003:1018:1008.0026/input/input76
2023-11-03T09:34:50.331538+00:00 pureos kernel: [ 4050.963080] input: HID 1018:1008 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.1/0003:1018:1008.0026/input/input77
2023-11-03T09:34:50.331560+00:00 pureos kernel: [ 4050.963251] hid-generic 0003:1018:1008.0026: input,hiddev0,hidraw2: USB HID v1.11 Device [HID 1018:1008] on usb-0000:00:14.0-7/input1
2023-11-03T09:34:50.363106+00:00 pureos mtp-probe: checking bus 1, device 30: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7"
2023-11-03T09:34:50.363676+00:00 pureos mtp-probe: bus: 1, device: 30 was not an MTP device