diff --git a/xCAT-nbroot2/setupimmnic b/xCAT-nbroot2/setupimmnic
index 3a532f346..a8783e98c 100644
--- a/xCAT-nbroot2/setupimmnic
+++ b/xCAT-nbroot2/setupimmnic
@@ -1,3 +1,3 @@
 #!/bin/sh
-ip link set usb0 up
-ip addr add dev usb0 169.254.95.120/16
+/sbin/ip link set usb0 up
+/sbin/ip addr add dev usb0 169.254.95.120/16
diff --git a/xCAT-nbroot2/xcat-cmdline.sh b/xCAT-nbroot2/xcat-cmdline.sh
index 0ced8791c..9a1c5a82e 100755
--- a/xCAT-nbroot2/xcat-cmdline.sh
+++ b/xCAT-nbroot2/xcat-cmdline.sh
@@ -102,10 +102,6 @@ if dmidecode|grep IPMI > /dev/null; then
 	modprobe ipmi_si
 	modprobe ipmi_devintf
 fi
-if lsusb -d 04b3:4010 > /dev/null; then
-	modprobe cdc_ether 
-	/sbin/setupimmnic
-fi
 if [ "$destiny" = "discover" ]; then #skip a query to xCAT when /proc/cmdline will do
 	/bin/dodiscovery
 fi