I confirm this problem.
cat /etc/pve/nodes/srv/lxc/109.conf
arch: amd64
cores: 8
features: nesting=1
hostname: nikolya-test
memory: 1024
net0: name=eth0,bridge=vmbr0,hwaddr=8A:90:0F:B8:CE:2E,ip=dhcp,type=veth
ostype: debian
rootfs: HDD1:109/vm-109-disk-0.raw,size=8G
swap: 0
unprivileged: 1...