{
  "mode": "client",
  "address": "127.0.0.1",
  "port": 12345,
  "iface_name": "tun0",
  "iface_mtu": 1500,
  "iface_addr": "10.0.0.1",
  "iface_dstaddr": "10.0.0.2",
  "iface_netmask": "255.255.255.0"
}