Complicated Routing (1/2)

$ ip route show
10.1.2.0/22 dev eth0  proto kernel  scope link src 10.1.3.42
10.2.128.0/22 dev eth1  proto kernel  scope link src 10.2.129.42
10.2.192.0/21 dev eth2  proto kernel  scope link src 10.2.200.42
10.0.5.0/24 via 10.1.2.2 dev eth0
192.168.9.0/24 via 10.1.2.2 dev eth0
10.0.12.0/24 via 10.2.129.1 dev eth1
172.10.72.0/24 via 10.2.192.1 dev eth2
172.10.74.0/24 via 10.2.192.1 dev eth2
default via 10.1.2.1 dev eth0