set_preinit_iface() {

	# Create a switch on lan1 to configure the VLAN 1.
	# Without configuring VLAN ID 1 RTL8380 - RTL9300 will not
	# forward packets.
	ip link add name switch type bridge vlan_filtering 1
	ip link set dev lan1 master switch
	ip link set lan1 up

	pi_ifname=switch
}

boot_hook_add preinit_main set_preinit_iface