fix cpu controller not set in cgroup v2

scripts/set-cgroupv2.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
-echo $CGROUP_MODE
 
 if [[ ! -z $CGROUP_MODE ]] && [[ $CGROUP_MODE =~ .*[v,V]2.* ]]; then
     echo "set cgroup mode to $CGROUP_MODE"
     if ! grep -q 'systemd.unified_cgroup_hierarchy=1' /etc/default/grub; then
         grubby --update-kernel=ALL --args="systemd.unified_cgroup_hierarchy=1"
+        grubby --update-kernel=ALL --args="cgroup_no_v1=all"
     fi
 fi