fixes to simfabric, put apt-cacher first
diff --git a/cord-single-playbook.yml b/cord-single-playbook.yml
index f92f073..b32f61f 100644
--- a/cord-single-playbook.yml
+++ b/cord-single-playbook.yml
@@ -11,6 +11,12 @@
   - include_vars: vars/cord.yml
   - include_vars: vars/cord_keystone.yml
 
+- name: Apt-Cache Setup
+  hosts: head
+  become: yes
+  roles:
+    - apt-cacher-ng
+  
 - name: Prep systems
   hosts: all
   become: yes
@@ -18,11 +24,10 @@
     - common-prep
     - cloudlab-prep
 
-- name: Cache and DNS Server Setup
+- name: DNS Server Setup
   hosts: head
   become: yes
   roles:
-    - apt-cacher-ng
     - dns-nsd
     - dns-unbound
 
diff --git a/roles/simulate-fabric/files/simulate-fabric-playbook.yml b/roles/simulate-fabric/files/simulate-fabric-playbook.yml
index 6a99712..e97b541 100644
--- a/roles/simulate-fabric/files/simulate-fabric-playbook.yml
+++ b/roles/simulate-fabric/files/simulate-fabric-playbook.yml
@@ -29,8 +29,8 @@
        - addresses
 
     - name: Start bridges
-      when: "ansible_{{ item.name }}.active is false"
-      command: "ip link set dev {{ item }} up"
+      when: "not ansible_{{ item.name }}.active"
+      command: "ip link set dev {{ item.name }} up"
       with_items: "{{ simfabric_bridges }}"
 
     - name: Create ip links
@@ -39,19 +39,19 @@
       with_items: "{{ simfabric_links }}"
 
     - name: Start interfaces
-      when: "ansible_{{ item.name }}.active is false"
+      when: "not ansible_{{ item }}.active"
       command: "ip link set dev {{ item }} up"
       with_items: "{{ simfabric_interfaces }}"
 
     - name: Add interfaces to bridges
-      when: "ansible_{{ item.0.name }}.interfaces is empty"
+      when: "ansible_{{ item.0.name }}.interfaces is not defined"
       command: "brctl addif {{ item.0.name }} {{ item.1 }}"
       with_subelements:
        - "{{ simfabric_bridges }}"
        - interfaces
 
     - name: Configure iptables
-      iptables: "table={{ item.table }} chain={{ item.chain }} source={{ item.source }} dest={{ item.dest }} jump={{ item.jump }}"
+      iptables: "table={{ item.table }} chain={{ item.chain }} source={{ item.source }} destination={{ item.dest }} jump={{ item.jump }}"
       with_items: "{{ simfabric_iptables }}"
 
     - name: Set kernel sysctl values