Reset all USB NICs at the hardware level

monit.conf

check host gateway with address 192.168.1.1
        restart program = "/root/reset_nic.sh"
        if failed
                port 443
                protocol https
                timeout 10 seconds
                retry 3
                with ssl options {verify: disable}
        then restart

reset_nic.sh

#!/bin/bash

for device in /sys/bus/usb/devices/*; do
	grep "NIC" "$device/product" &>/dev/null
	if [ "$?" == 0 ]; then
		echo -n "Resetting "
		cat "$device/product"
		sh -c "echo 0 > $device/authorized"
		sh -c "echo 1 > $device/authorized"
		echo "Device reset."
	fi
done