Add docs

cmd/kg/main.go

@@ -146,7 +146,7 @@ func init() {
 	cmd.Flags().DurationVar(&resyncPeriod, "resync-period", 30*time.Second, "How often should the Kilo controllers reconcile?")
 	cmd.Flags().BoolVar(&iptablesForwardRule, "iptables-forward-rules", false, "Add default accept rules to the FORWARD chain in iptables. Warning: this may break firewalls with a deny all policy and is potentially insecure!")
 	cmd.Flags().BoolVar(&prioritisePrivateAddr, "prioritise-private-addresses", false, "Prefer to assign a private IP address to the node's endpoint.")
-	cmd.Flags().BoolVar(&dropOtherIpIpTraffic, "drop-other-ipip-traffic", true, "Drop other IP-over-IP traffic (not available in compatibility mode).")
+	cmd.Flags().BoolVar(&dropOtherIpIpTraffic, "drop-other-ipip-traffic", true, "Should Kilo drop other IP-over-IP traffic (not available in compatibility mode)?")
 
 	cmd.PersistentFlags().BoolVar(&printVersion, "version", false, "Print version and exit")
 	cmd.PersistentFlags().StringVar(&logLevel, "log-level", logLevelInfo, fmt.Sprintf("Log level to use. Possible values: %s", availableLogLevels))

docs/kg.md

@@ -38,6 +38,7 @@ Flags:
       --cni-path string                Path to CNI config. (default "/etc/cni/net.d/10-kilo.conflist")
       --compatibility string           Should Kilo run in compatibility mode? Possible values: flannel
       --create-interface               Should kilo create an interface on startup? (default true)
+      --drop-other-ipip-traffic        Should Kilo drop other IP-over-IP traffic (not available in compatibility mode)? (default true)
       --encapsulate string             When should Kilo encapsulate packets within a location? Possible values: never, crosssubnet, always (default "always")
   -h, --help                           help for kg
       --hostname string                Hostname of the node on which this process is running.