fix logic and run setup to reload facts, fix iptables command
diff --git a/roles/simulate-fabric/defaults/main.yml b/roles/simulate-fabric/defaults/main.yml
index b038889..b41396d 100644
--- a/roles/simulate-fabric/defaults/main.yml
+++ b/roles/simulate-fabric/defaults/main.yml
@@ -17,6 +17,7 @@
   - veth0
   - veth1
 
+# see note in playbook, won't apply until ansible gets module support
 simfabric_iptables:
   - table: nat
     chain: POSTROUTING