I am working on a project using a RPi3 (OS: stretch) and a 3G dongle (usb stick). After 36 hours ish... my USB disconnects and I need to manually execute the "usb_modeswitch" command. As the pi should work remotely, I would like to know how to avoid this... In my syslog I have the following result:
dhcpcd: eth0: removing interface
and then all my usb ports got disconnected...
Do you know how to avoid this?
Your help would be very appreciated.