diff --git a/xos/synchronizer/steps/sync_controller_networks.py b/xos/synchronizer/steps/sync_controller_networks.py
index 8187e84..329bb57 100644
--- a/xos/synchronizer/steps/sync_controller_networks.py
+++ b/xos/synchronizer/steps/sync_controller_networks.py
@@ -102,7 +102,7 @@
         controller_network.subnet_id = subnet_id
 	controller_network.backend_status = '1 - OK'
         if not controller_network.segmentation_id:
-            controller_network.segmentation_id = self.get_segmentation_id(controller_network)
+            controller_network.segmentation_id = str(self.get_segmentation_id(controller_network))
         controller_network.save()
 
 
diff --git a/xos/synchronizer/steps/sync_instances.py b/xos/synchronizer/steps/sync_instances.py
index c43498f..bb6c665 100644
--- a/xos/synchronizer/steps/sync_instances.py
+++ b/xos/synchronizer/steps/sync_instances.py
@@ -100,9 +100,10 @@
         if (instance.numberCores):
             metadata_update["cpu_cores"] = str(instance.numberCores)
 
-        for tag in instance.slice.tags.all():
-            if tag.name.startswith("sysctl-"):
-                metadata_update[tag.name] = tag.value
+# not supported by API... assuming it's not used ... look into enabling later
+#        for tag in instance.slice.tags.all():
+#            if tag.name.startswith("sysctl-"):
+#                metadata_update[tag.name] = tag.value
 
 	slice_memberships = SlicePrivilege.objects.filter(slice_id=instance.slice.id)
         pubkeys = set([sm.user.public_key for sm in slice_memberships if sm.user.public_key])
@@ -195,6 +196,9 @@
         if instance.userData:
             userData += instance.userData
 
+        # make sure nics is pickle-able
+        sanitized_nics = [{"kind": nic["kind"], "value": nic["value"]} for nic in nics]
+
         controller = instance.node.site_deployment.controller
         fields = {'endpoint':controller.auth_url,
                      'endpoint_v3': controller.auth_url_v3,
@@ -209,7 +213,7 @@
                      'availability_zone': availability_zone_filter,
                      'image_name':image_name,
                      'flavor_name':instance.flavor.name,
-                     'nics':nics,
+                     'nics':sanitized_nics,
                      'meta':metadata_update,
                      'user_data':r'%s'%escape(userData)}
         return fields