--- cloudinit/net/sysconfig.py.orig
+++ cloudinit/net/sysconfig.py
@@ -15,6 +15,7 @@ from .network_state import (
     is_ipv6_addr, net_prefix_to_ipv4_mask, subnet_is_ipv6)
 
 LOG = logging.getLogger(__name__)
+PERS_NET_RULES_DEFAULT = 'etc/udev/rules.d/70-persistent-net.rules'
 
 
 def _make_header(sep='#'):
@@ -276,7 +277,7 @@ class Renderer(renderer.Renderer):
             config = {}
         self.sysconf_dir = config.get('sysconf_dir', 'etc/sysconfig')
         self.netrules_path = config.get(
-            'netrules_path', 'etc/udev/rules.d/70-persistent-net.rules')
+            'netrules_path', PERS_NET_RULES_DEFAULT)
         self.dns_path = config.get('dns_path', 'etc/resolv.conf')
         nm_conf_path = 'etc/NetworkManager/conf.d/99-cloud-init.conf'
         self.networkmanager_conf_path = config.get('networkmanager_conf_path',
@@ -676,6 +677,15 @@ class Renderer(renderer.Renderer):
             netrules_content = self._render_persistent_net(network_state)
             netrules_path = util.target_path(target, self.netrules_path)
             util.write_file(netrules_path, netrules_content, file_mode)
+            # Making the assumption that the configured file is in a sane
+            # location
+            if (
+                    os.path.basename(PERS_NET_RULES_DEFAULT)
+                    != os.path.basename(netrules_path)
+            ):
+                util.subp(
+                    ['udevadm', 'trigger', '-a ACTION=add', '-a SUBSYSTEM=net']
+                )
 
         sysconfig_path = util.target_path(target, templates.get('control'))
         # Distros configuring /etc/sysconfig/network as a file e.g. Centos