#Enable Network Bridge on C.H.I.P. Computer
#[on Desktop]
brctl addbr br0
brctl addif br0 <eth0> #change <eth0> to your network device
ifconfig br0 192.168.1.123 netmask 255.255.0.0
route add default gw 192.168.1.1

#[on CHIP]
nmcli connection add type ethernet con-name USB_Bridge ifname usb0
nmcli connection up USB_Bridge

#to shutdown [on Desktop]
ifconfig br0 down
brctl delbr br0