Prevent wipeout command from failing STC runs

Change-Id: I07ec96d408732fbd9e9e47ffcdc22b7bf850227e
diff --git a/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java b/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java
index 0e28795..550710e 100644
--- a/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java
@@ -114,7 +114,7 @@
                     hostAdminService.removeHost(host.id());
                 }
             } catch (Exception e) {
-                log.warn("Unable to wipe-out hosts", e);
+                log.info("Unable to wipe-out hosts", e);
             }
         }
     }
@@ -128,7 +128,7 @@
                     deviceAdminService.removeDevice(device.id());
                 }
             } catch (Exception e) {
-                log.warn("Unable to wipe-out devices", e);
+                log.info("Unable to wipe-out devices", e);
             }
         }
     }
@@ -143,7 +143,7 @@
                     linkAdminService.removeLinks(link.dst());
                 }
             } catch (Exception e) {
-                log.warn("Unable to wipe-out links", e);
+                log.info("Unable to wipe-out links", e);
             }
         }
     }