Merge pull request #23 from Dstack-TEE/cgroups-v2

Enabled cgroups v2

Author: kvinwang

mkimage.sh

@@ -67,7 +67,7 @@ $Q cp $ROOTFS_IMAGE ${OUTPUT_DIR}/rootfs.img.verity
 GIT_REVISION=$(git rev-parse HEAD)
 echo "Generating metadata.json to ${OUTPUT_DIR}/metadata.json"
 
-KARG0="console=ttyS0 init=/init panic=1 systemd.unified_cgroup_hierarchy=0 net.ifnames=0 biosdevname=0"
+KARG0="console=ttyS0 init=/init panic=1 net.ifnames=0 biosdevname=0"
 KARG1="mce=off oops=panic pci=noearly pci=nommconf random.trust_cpu=y random.trust_bootloader=n tsc=reliable no-kvmclock"
 KARG2="dstack.rootfs_hash=$ROOT_HASH dstack.rootfs_size=$DATA_SIZE"