#cloud-config
runcmd:
  - route delete -net 0.0.0.0/0 gw 172.21.251.254
  - route add -net 10.0.0.0/8 gw 172.21.251.254 
  - route add -net 172.21.0.0/16 gw 172.21.251.254
  - route add -net 172.22.0.0/16 gw 172.21.251.254
  - route add -net 192.168.170.0/24 gw 172.21.251.254