diff --git a/iproute2-3.11.0-rtt.patch b/iproute2-3.11.0-rtt.patch
new file mode 100644
index 0000000..8198374
--- /dev/null
+++ b/iproute2-3.11.0-rtt.patch
@@ -0,0 +1,31 @@
+diff --git a/lib/utils.c b/lib/utils.c
+index dae1b51..8a1a65d 100644
+--- a/lib/utils.c
++++ b/lib/utils.c
+@@ -145,7 +145,7 @@ int get_time_rtt(unsigned *val, const char *arg, int *raw)
+ 			return -1;
+ 
+ 		/* extra non-digits */
+-		if (!p || p == arg || *p)
++		if (!p || p == arg)
+ 			return -1;
+ 
+ 		/* over/underflow */
+@@ -155,7 +155,7 @@ int get_time_rtt(unsigned *val, const char *arg, int *raw)
+ 		res = strtoul(arg, &p, 0);
+ 
+ 		/* empty string or trailing non-digits */
+-		if (!p || p == arg || *p)
++		if (!p || p == arg)
+ 			return -1;
+ 
+ 		/* overflow */
+@@ -165,8 +165,6 @@ int get_time_rtt(unsigned *val, const char *arg, int *raw)
+ 		t = (double)res;
+ 	}
+ 
+-	if (p == arg)
+-		return -1;
+ 	*raw = 1;
+ 
+ 	if (*p) {