diff --git a/server/InterfaceController.cpp b/server/InterfaceController.cpp
index 34b8004..4c35085 100644
--- a/server/InterfaceController.cpp
+++ b/server/InterfaceController.cpp
@@ -26,6 +26,7 @@
 #include <android-base/file.h>
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
+#include <android-base/strings.h>
 #include <log/log.h>
 #include <logwrap/logwrap.h>
 #include <netutils/ifc.h>
@@ -40,17 +41,18 @@
 
 using android::base::ReadFileToString;
 using android::base::StringPrintf;
+using android::base::Trim;
 using android::base::WriteStringToFile;
 using android::net::INetd;
 using android::net::RouteController;
 using android::netdutils::isOk;
-using android::netdutils::Status;
-using android::netdutils::StatusOr;
 using android::netdutils::makeSlice;
 using android::netdutils::sSyscalls;
-using android::netdutils::status::ok;
+using android::netdutils::Status;
 using android::netdutils::statusFromErrno;
+using android::netdutils::StatusOr;
 using android::netdutils::toString;
+using android::netdutils::status::ok;
 
 namespace {
 
@@ -380,7 +382,11 @@
     if (path.empty()) {
         return -errno;
     }
-    return ReadFileToString(path, value) ? 0 : -errno;
+    if (ReadFileToString(path, value)) {
+        *value = Trim(*value);
+        return 0;
+    }
+    return -errno;
 }
 
 int InterfaceController::setParameter(