interfaces: finish up arp and ndp

o Order dependencies alphabetically in Makefile
o Use try/except so that failed lookup won't trash the script run

Makefile

@@ -94,10 +94,10 @@ CORE_DEPENDS?=		apinger \
 			php56-xml \
 			php56-zlib \
 			py27-Jinja2 \
+			py27-netaddr \
 			py27-requests \
 			py27-sqlite3 \
 			py27-ujson \
-			py27-netaddr \
 			python27 \
 			radvd \
 			rate \

src/opnsense/scripts/interfaces/list_arp.py

@@ -34,7 +34,7 @@ import os
 import os.path
 import sys
 import ujson
-from netaddr import *
+import netaddr
 
 if __name__ == '__main__':
     result = []
@@ -64,10 +64,11 @@ if __name__ == '__main__':
                           'manufacturer': '',
                           'hostname': ''
                           }
-                manufacturer_mac = EUI(record['mac'])
-                oui = manufacturer_mac.oui
-                if oui.registration().org:
-                    record['manufacturer'] = oui.registration().org
+                manufacturer_mac = netaddr.EUI(record['mac'])
+                try:
+                    record['manufacturer'] = manufacturer_mac.oui.registration().org
+                except netaddr.NotRegisteredError:
+                    pass
                 if record['ip'] in dhcp_leases:
                     record['hostname'] = dhcp_leases[record['ip']]['hostname']
                 result.append(record)

src/opnsense/scripts/interfaces/list_ndp.py

@@ -34,7 +34,7 @@ import os
 import os.path
 import sys
 import ujson
-from netaddr import *
+import netaddr
 
 if __name__ == '__main__':
     result = []
@@ -52,10 +52,11 @@ if __name__ == '__main__':
                           'intf': line_parts[2],
                           'manufacturer': ''
                           }
-                manufacturer_mac = EUI(record['mac'])
-                oui = manufacturer_mac.oui
-                if oui.registration().org:
-                    record['manufacturer'] = oui.registration().org
+                manufacturer_mac = netaddr.EUI(record['mac'])
+                try:
+                    record['manufacturer'] = manufacturer_mac.oui.registration().org
+                except netaddr.NotRegisteredError:
+                    pass
                 result.append(record)
 
     # handle command line argument (type selection)