auto enp1s0f0
iface enp1s0f0 inet manual
up /sbin/ifconfig enp1s0f0 up || /bin/true
down /sbin/ifconfig enp1s0f0 down || /bin/true

auto enp1s0f0.5
iface enp1s0f0.5 inet manual
vlan-raw-device eth0

auto br0
iface br0 inet manual
bridge_ports enp1s0f0
bridge_stp off
pre-up /sbin/ifconfig enp1s0f0 up || /bin/true
up /sbin/ifconfig br0 up || /bin/true

auto br0.5
iface br0.5 net static
address 192.168.5.77
netmask 255.255.255.0
gateway 192.168.5.1
dns-nameservers 192.168.1.2 192.168.1.5
vlan-raw-device br0