initial changes towards removing ipaddress and using netaddr

daemon/core/services/nrl.py

@@ -2,9 +2,9 @@
 nrl.py: defines services provided by NRL protolib tools hosted here:
     http://www.nrl.navy.mil/itd/ncs/products
 """
+import netaddr
 
 from core import utils
-from core.nodes import ipaddress
 from core.nodes.ipaddress import Ipv4Prefix
 from core.services.coreservices import CoreService
 
@@ -38,7 +38,7 @@ class NrlService(CoreService):
                 continue
             for a in ifc.addrlist:
                 a = a.split("/")[0]
-                if ipaddress.is_ipv4_address(a):
+                if netaddr.valid_ipv4(a):
                     pre = Ipv4Prefix("%s/%s" % (a, prefixlen))
                     return str(pre)
         # raise ValueError,  "no IPv4 address found"