ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1500
    inet 25.114.46.112  netmask 255.255.255.255  destination 10.64.64.64
    ppp  txqueuelen 3  (Point-to-Point Protocol)
    RX packets 1764  bytes 213923 (208.9 KiB)
    RX errors 0  dropped 0  overruns 0  frame 0
    TX packets 1665  bytes 458069 (447.3 KiB)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

interface eth0
static ip_address=10.10.10.250/8
static routers=10.10.10.250
ip route add 10.10.10.0/8 via 10.10.10.250

auto tunnel
  iface tunnel inet ppp
  provider verison