ethernet_interface: DHCP settings don't require refresh

Change-Id: I69c004117779be2b985a7a03a65040bc7a119786
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/dhcp_configuration.cpp b/src/dhcp_configuration.cpp
index 1822c35..df71b31 100644
--- a/src/dhcp_configuration.cpp
+++ b/src/dhcp_configuration.cpp
@@ -52,7 +52,7 @@
     auto name = ConfigIntf::sendHostNameEnabled(value);
 
     manager.writeToConfigurationFile();
-    manager.reloadConfigs();
+    manager.reloadConfigsNoRefresh();
 
     return name;
 }
@@ -66,7 +66,7 @@
 
     auto name = ConfigIntf::hostNameEnabled(value);
     manager.writeToConfigurationFile();
-    manager.reloadConfigs();
+    manager.reloadConfigsNoRefresh();
 
     return name;
 }
@@ -80,7 +80,7 @@
 
     auto ntp = ConfigIntf::ntpEnabled(value);
     manager.writeToConfigurationFile();
-    manager.reloadConfigs();
+    manager.reloadConfigsNoRefresh();
 
     return ntp;
 }
@@ -94,7 +94,7 @@
 
     auto dns = ConfigIntf::dnsEnabled(value);
     manager.writeToConfigurationFile();
-    manager.reloadConfigs();
+    manager.reloadConfigsNoRefresh();
 
     return dns;
 }