Address upstream comments for usb0 interface

files/image_config/interfaces/interfaces-config.sh

@@ -4,6 +4,17 @@ ifdown --force eth0
 
 sonic-cfggen -d -t /usr/share/sonic/templates/interfaces.j2 > /etc/network/interfaces
 
+# Add usb0 interface for bfn platforms
+platform=$(sonic-cfggen -H -v 'DEVICE_METADATA["localhost"]["platform"]')
+if [[ "$platform" == "x86_64-accton_wedge100bf_32x-r0" || "$platform" == "x86_64-accton_wedge100bf_65x-r0" ]]; then
+cat <<'EOF' >> /etc/network/interfaces
+# BMC interface
+auto usb0
+iface usb0 inet6 auto
+up ifconfig usb0 txqueuelen 64
+EOF
+fi
+
 [ -f /var/run/dhclient.eth0.pid ] && kill `cat /var/run/dhclient.eth0.pid` && rm -f /var/run/dhclient.eth0.pid
 
 systemctl restart networking

files/image_config/interfaces/interfaces.j2

@@ -18,10 +18,6 @@ iface lo {{ 'inet' if prefix | ipv4 else 'inet6' }} static
 {% endfor %}
 {% endblock loopback %}
 {% block mgmt_interface %}
-# BMC interface
-auto usb0
-iface usb0 inet6 auto
-up ifconfig usb0 txqueuelen 64
 
 # The management network interface
 auto eth0

src/sonic-config-engine/tests/sample_output/interfaces

@@ -19,10 +19,6 @@ iface lo inet static
     address 10.10.0.99
     netmask 255.255.255.255
 #
-# BMC interface
-auto usb0
-iface usb0 inet6 auto
-up ifconfig usb0 txqueuelen 64
 
 # The management network interface
 auto eth0