on server <vaddr> <vrelay> <vnetwork> <ifname_server>
on client <client> <vaddr> <vroutes> <ifname_client>
Plus %(mtu)s (and %% to indicate a literal %).
- ["userv root ipif %(local)s,%(peer)s,%(mtu)s,slip %(rnets)s"]
+ ["userv root ipif %(local)s,%(peer)s,%(mtu)s,slip '%(rnets)s'"]
On server: applies to all clients; not looked up in
client-specific sections.