Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
Command to run to create and communicate with local network
interface. Passed to sh -c. Must speak SLIP on stdin/stdout.
The following additional interpolations aare substituted:
- %(local)s %(peer)s %(rnet)s %(ifname)s
+ %(local)s %(peer)s %(rnets)s %(ifname)s
on server <vaddr> <vrelay> <vnetwork> <ifname_server>
on client <client> <vaddr> <vroutes> <ifname_client>
["userv root ipif %(local)s,%(peer)s,%(mtu)s,slip %(rnets)s"]