auto lo
iface lo inet loopback
iface ens3 inet manual
auto vmbr0
iface vmbr0 inet static
    address xxx.xx.136.206
    netmask 255.255.255.xxx
    gateway xxx.xx.136.xxx
    bridge_ports ens3
    bridge_stp off
    bridge_fd 0
auto vmbr1
iface vmbr1 inet static
        address xxx.xx.136.251
        netmask 255.255.255.xxx
        bridge_ports vmbr0
        bridge_stp off
        bridge_fd 0
auto vmbr2
iface vmbr2 inet static
        address xxx.xx.136.252
        netmask 255.255.255.xxx
        bridge_ports vmbr0
        bridge_stp off
        bridge_fd 0
auto vmbr3
iface vmbr3 inet static
        address xxx.xx.136.253
        netmask 255.255.255.xxx
        bridge_ports vmbr0
        bridge_stp off
        bridge_fd 0
auto vmbr4
iface vmbr4 inet static
        address xxx.xx.136.254
        netmask 255.255.255.xxx
        bridge_ports vmbr0
        bridge_stp off
        bridge_fd 0