auto macvlan0
iface macvlan0 inet static
    address 192.168.143.91/32
    pre-up ip link add macvlan0 link br0 type macvlan mode bridge
    post-down ip link del macvlan0 link br0 type macvlan mode bridge
    post-up ip r add 192.168.0.242 dev macvlan0 src <host_ip>
    post-up ip r add 192.168.0.241 dev macvlan0 src <host_ip>