diff --git a/patches/systemvm/debian/config/opt/cloud/bin/cloud-nic.sh b/patches/systemvm/debian/config/opt/cloud/bin/cloud-nic.sh
index 1f1e52e08a5..3f80a4ca9b8 100755
--- a/patches/systemvm/debian/config/opt/cloud/bin/cloud-nic.sh
+++ b/patches/systemvm/debian/config/opt/cloud/bin/cloud-nic.sh
@@ -16,9 +16,9 @@ unplug_nic() {
   sudo iptables -t mangle -D PREROUTING -i $dev -m state --state NEW -j MARK --set-mark $tableNo 2>/dev/null
   sudo iptables -t mangle -D PREROUTING -i $dev -m state --state NEW -j CONNMARK --save-mark 2>/dev/null
 
-  sudo sed -i '/"$tableNo $tableName"/d' /etc/iproute2/rt_tables 2>/dev/null
-  sudo ip rule delete fwmark $tableNo table $tableName 2>/dev/null
-  sudo ip route flush  table $tableName
+  sudo ip rule del fwmark $tableNo 2>/dev/null
+  sudo ip route flush table $tableName
+  sudo sed -i /"$tableNo $tableName"/d /etc/iproute2/rt_tables 2>/dev/null
   sudo ip route flush cache
 }