diff --git a/salt/lxc-containers/config b/salt/lxc-containers/config
index 625add4..e178672 100644
--- a/salt/lxc-containers/config
+++ b/salt/lxc-containers/config
@@ -10,9 +10,11 @@ lxc.rootfs.backend = dir
 lxc.autodev = 1
 lxc.kmsg = 0
 
+{%- set n = 0 %}
 {%- for net, conf in container['interfaces'].items() %}
 lxc.network.type={{ conf['type'] }}
 lxc.network.flags=up
+lxc.network.hwaddr={{ hwaddr_prefix }}:{{ n.__str()__.rjust(2, '0') }}
 {%- if conf['type'] == 'veth' %}
 lxc.network.veth.pair={{ id }}-{{ net }}
 {%- endif %}
@@ -34,6 +36,8 @@ lxc.network.ipv4.gateway={{ pillar['hosts-inet'][net][gw] }}
 {%- endif %}
 #lxc.network.ipv6=
 #lxc.network.ipv6.gateway=fe80::1
+
+{%- set n = n + 1 %}
 {%- endfor %}
 
 
diff --git a/salt/lxc-containers/init.sls b/salt/lxc-containers/init.sls
index 87e8779..f9e201d 100644
--- a/salt/lxc-containers/init.sls
+++ b/salt/lxc-containers/init.sls
@@ -1,7 +1,8 @@
 lxc:
   pkg.installed: []
 
-{% for id, container in pillar['containers'].items() %}
+{%- set n = 0 %}
+{%- for id, container in pillar['containers'].items() %}
 
 /var/lib/lxc/{{ id }}:
   cmd.run:
@@ -17,6 +18,7 @@ lxc:
     - context:
         id: {{ id }}
         container: {{ container }}
+        hwaddr_prefix: '0A:14:48:01:{{ n.__str__().rjust(2, '0') }}'
     - require:
         - cmd: /var/lib/lxc/{{ id }}
 
@@ -55,4 +57,5 @@ start-{{ id }}:
         require:
           - service: autostart-{{ id }}
 
+{%- set n = n + 1 %}
 {% endfor %}