@verbatim
stargrave: <-- Peer human readable name
iface: tap10 <-- OPTIONAL TAP interface name
- mtu: 1514 <-- OPTIONAL overriden MTU
+ mtu: 1515 <-- OPTIONAL overriden MTU
up: ./stargrave-up.sh <-- OPTIONAL up-script
down: ./stargrave-down.sh <-- OPTIONAL down-script
timeout: 60 <-- OPTIONAL overriden timeout