Get EM7455 work under Ubuntu 18.04 LTS (Jetson Nano)

[jyijyi]

you can see a correct log here:

EM7455 network port changes from eth3 to eth4 after AT!RESET

I cannot reproduce the issue on Ubuntu PC. do you see something like the following in dmesg which will deregister the eth interface? [15621.974691] GobiNet 3-1:1.8 eth1: unregister ‘GobiNet’ usb-0000:00:14.0-1, GobiNet Ethernet Device [15382.348289] usb 3-1: New USB device found, idVendor=1199, idProduct=9071 [15382.348300] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [15382.348307] usb 3-1: Product: Sierra Wireless MC7430 Qualcomm\xffffffc2\xffffffae\xffffffae Snapdra…

[15382.352606] GobiNet 3-1:1.8 eth1: register ‘GobiNet’ at usb-0000:00:14.0-1, GobiNet Ethernet Device, c6:f9:56:d8:1b:fb