Accessing the Internet through usb0
For accessing the internet through usb0 additional settings must be made.
On the Pi Zero, add a list of nameservers into /etc/resolvconf.conf (which is usually the IP of your internet router)
Next, enable IPv4 forwarding by adding the line
net.ipv4.ip_forward = 1
After reboot, issue the command:
sudo iptables -t nat -A POSTROUTING -s 169.254.0.0/16 -o wlan0 -j MASQUERADE
on your host PC, and change the default gateway on the Pi Zero with:
sudo route add default gw 169.254.9.176 usb0
Here, use the IP address which is displayed for usb0 on the host PC. Now you should be able to reach the internet from your Pi Zero.