$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
        address 10.183.23.56
        netmask 255.255.254.0
        broadcast 10.183.22.255
        gateway 10.183.22.1
   network 10.183.22.0
   slaves eth0
   bond_mode active-backup
   bond_miimon 100
   bond_downdelay 200
   bond_updelay 200
auto eth0:0
iface eth0:0 inet static
   address 10.183.23.69
   netmask 255.255.254.0
   network 10.183.22.0
   broadcast 10.183.22.255


$ ip route show
default via 10.183.22.1 dev eth0
10.183.22.0/23 dev eth0  proto kernel  scope link  src 10.183.23.69
172.17.42.0/30 dev docker0  proto kernel  scope link  src 172.17.42.1