diff --git a/core/topo.py b/core/topo.py
index 48fcf92..abffc08 100644
--- a/core/topo.py
+++ b/core/topo.py
@@ -545,7 +545,7 @@ class TopoConfig(object):
         logging.info("Disable TSO on all interfaces of all nodes")
         for node in [self.topo.get_host(n) for n in self.topo.topo_builder.net]:
             for intf in self.topo.get_interface_names(node):
-                logging.info("Disable TSO on interface {}".format(intf))
+                logging.debug("Disable TSO on interface {}".format(intf))
                 cmd = "ethtool -K {} tso off".format(intf)
                 logging.debug(cmd)
                 self.topo.command_to(node, cmd)