Network Preferences settings:device usbrndis.deviceunit 0IP mode:DHCPset "Start networking during system boot" to OFFIn Icaros,edit s/user-startup and add line:addusbclasses > nil: plug in USB cable,enable usb tethering from phone,and AFTER this start arostcp.( OpenDevice of course fails,if tcp starts and no USB device attached)Question For network Gurus:I dont know how to fix this,maybe (re)start arostcp from USB class? Or is there some more elegant way?