L'adresse mac peut etre multiple

machines/migrations/0082_auto_20180621_1524.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-06-21 20:24
+from __future__ import unicode_literals
+
+from django.db import migrations
+import macaddress.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0081_auto_20180521_1413'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='interface',
+            name='mac_address',
+            field=macaddress.fields.MACAddressField(integer=False, max_length=17),
+        ),
+    ]