https://u335095.your-storagebox.de/template/iso/

/etc/network/interfaces

source /etc/network/interfaces.d/*
 
auto lo
iface lo inet loopback
iface lo inet6 loopback
 
auto enp6s0
iface enp6s0 inet manual
 
auto vmbr0
iface vmbr0 inet static
	address IP/NETMASK
	gateway GATEWAY
	bridge-ports enp6s0
	bridge-stp off
	bridge-fd 0
	bridge-vlan-aware yes
	bridge-vids 2-4092
 
iface vmbr0 inet6 static
	address IP6
	netmask 64
	gateway GATEWAY6
 
auto vmbr0.4010
iface vmbr0.4010 inet static
	address 10.192.0.12/24
	mtu 1400
	up   ip route add    10.0.0.0/8    via 10.192.0.1
	down ip route delete 10.0.0.0/8    via 10.192.0.1
 
auto vmbr0.4020
iface vmbr0.4020 inet static
	address 10.192.20.12/24
	mtu 1400
 
iface vmbr0.4020 inet6 static
	address 2a01:4f8:221:445e::12
	netmask 64
 
auto vmbr0.4040
iface vmbr0.4040 inet static
    	address 10.192.40.12/24
	mtu 1400

Installation

apt install ksmtuned

/etc/ksmtuned.conf

KSM_SLEEP_MSEC=100
KSM_THRES_COEF=50

Enable

systemctl enable ksmtuned
systemctl start ksmtuned

Check if greater then 0

cat /sys/kernel/mm/ksm/pages_shared

Unlock VM

qm unlock <VMID>