removed path to ip

netem.py

@@ -40,7 +40,7 @@ if errs:
     exit(1)
 
 # Enable network emulation on the device.
-cmd = ["sudo", "/sbin/ip",
+cmd = ["sudo", "ip",
        "netns", "exec", args.namespace,
        "tc", "qdisc", "change", "dev", args.device, "root",
        "netem"]