IP Share and normal IP assign

[GermanUbuntu]

Hello,

currently I am trying to host different Server(OS) with different and same IP's.

I can use 6 ips(one ip is for host)

And I need this VM's
VM-1 - ONLY internal IP and Internet connection(KVM)
VM-2 - ONLY internal IP and Internet connection(OpenVZ)
VM-3 - 2. IP Address(KVM)
VM-4 - 3. IP Address(OpenVZ)
VM-5 - 4. IP Address(OpenVZ)

How I tryed to solve this was over Masquerading.
My configuration(host system):

auto lo
iface lo inet loopback
iface eth0 inet manual

auto vmbr0
iface vmbr0 inet static
        address My IP
        netmask 255.255.255.192
        gateway My Gateway
        bridge_ports eth0
        bridge_stp off
        bridge_fd 0

auto vmbr1
iface vmbr1 inet static
        address  10.10.10.1
        netmask  255.255.255.0
        bridge_ports none
        bridge_stp off
        bridge_fd 0

        post-up echo 1 > /proc/sys/net/ipv4/ip_forward
        post-up   iptables -t nat -A POSTROUTING -s '10.10.10.0/24' -o vmbr0 -j MASQUERADE
        post-down iptables -t nat -D POSTROUTING -s '10.10.10.0/24' -o vmbr0 -j MASQUERADE

My configuration(VM-3):

# /etc/network/interfaces
# Loopback device:
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
  address IP Address
  netmask 255.255.255.255
  pointopoint Gateway
  gateway Gateway

(Can't bring up eth0 @ VM-3)

Mar 12 11:57:41 test systemd[1]: networking.service: Failed to reset devices.list: Operation not permitted
Mar 12 11:57:41 test systemd[1]: Starting Raise network interfaces...
Mar 12 11:57:41 test ifup[200]: RTNETLINK answers: File exists
Mar 12 11:57:41 test ifup[200]: ifup: failed to bring up eth0
Mar 12 11:57:41 test systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
Mar 12 11:57:41 test systemd[1]: Failed to start Raise network interfaces.
Mar 12 11:57:41 test systemd[1]: networking.service: Unit entered failed state.
Mar 12 11:57:41 test systemd[1]: networking.service: Failed with result 'exit-code'.

How I can solve this problem?