@crispyoz I bought another adapter with ASIX AX88179A chip. Reinstalled the following modules: kmod-mii kmod-usb-net kmod-usb-net-asix root@Omega-31F1:~# modprobe asix asix is already loaded root@Omega-31F1:~# modprobe usbnet usbnet is already loaded root@Omega-31F1:~# modprobe mii mii is already loaded Command dmesg | grep usbcore printed following: root@Omega-31F1:/etc/modules.d# dmesg | grep usbcore [ 5.391249] usbcore: registered new interface driver usbfs [ 5.396990] usbcore: registered new interface driver hub [ 5.402486] usbcore: registered new device driver usb [ 5.801747] usbcore: registered new interface driver usb-storage [ 17.632985] usbcore: registered new interface driver btusb [ 17.643265] usbcore: registered new interface driver cdc_acm [ 17.905698] usbcore: registered new interface driver ums-alauda [ 17.914983] usbcore: registered new interface driver ums-cypress [ 17.924496] usbcore: registered new interface driver ums-datafab [ 17.933704] usbcore: registered new interface driver ums-freecom [ 17.943042] usbcore: registered new interface driver ums-isd200 [ 17.955095] usbcore: registered new interface driver ums-jumpshot [ 17.964453] usbcore: registered new interface driver ums-karma [ 17.974610] usbcore: registered new interface driver ums-sddr09 [ 17.984034] usbcore: registered new interface driver ums-sddr55 [ 17.993874] usbcore: registered new interface driver ums-usbat [ 18.007211] usbcore: registered new interface driver usbhid [ 18.026860] usbcore: registered new interface driver usblp [ 18.067654] usbcore: registered new interface driver usbserial [ 18.073744] usbcore: registered new interface driver usbserial_generic [ 18.154428] usbcore: registered new interface driver asix [ 18.162642] usbcore: registered new interface driver ch341 [ 18.177852] usbcore: registered new interface driver cp210x [ 18.193761] usbcore: registered new interface driver ftdi_sio [ 18.222649] usbcore: registered new interface driver pl2303 [ 18.268377] usbcore: registered new interface driver snd-usb-audio [ 18.293507] usbcore: registered new interface driver uvcvideo [ 18.310592] usbcore: registered new interface driver option The problem is still not solved. Omega does not see the interface. Maybe this is due to the fact that the adapter has a USB 3.0 interface?