auto lo
iface lo inet loopback

iface enp2s0f0 inet manual

iface enp2s0f1 inet manual

iface enp3s0f0 inet manual

iface enp3s0f1 inet manual

auto bond0
iface bond0 inet manual
        bond-slaves enp2s0f0 enp3s0f0
        bond-miimon 100
        bond-mode 802.3ad
        bond-xmit-hash-policy layer2+3

auto bond1
iface bond1 inet manual
        bond-slaves enp2s0f1 enp3s0f1
        bond-miimon 100
        bond-mode 802.3ad
        bond-xmit-hash-policy layer2+3

auto vmbr0
iface vmbr0 inet static
        address  10.20.1.50
        netmask  24
        gateway  10.20.1.1
        bridge-ports bond0
        bridge-stp off
        bridge-fd 0

auto vmbr1
iface vmbr1 inet static
        address  10.20.1.60
        netmask  24
        bridge-ports bond1
        bridge-stp off
        bridge-fd 0