- Plus %(mtu)s (and %% to indicate a literal %).
- ["userv root ipif %(local)s,%(peer)s,%(mtu)s,slip '%(rnets)s'"]
+ Plus %{mtu} and %% to indicate a literal %.
+ (For compatibility with older hippotat, %(var)s is supported too
+ but this is deprecated since the extra `s` is confusing.)
+ ["userv root ipif %{local},%{peer},%{mtu},slip '%{rnets}'"]