bugfix: issues with go vet

Signed-off-by: Joseph Lee <[email protected]>

Author: eahydra

daemon/logger/jsonfile/utils.go

@@ -74,12 +74,12 @@ func followFile(f *os.File, cfg *logger.ReadConfig, unmarshaler newUnmarshalFunc
 					// ideally, it's caused by removing the container.
 					return errDone
 				default:
-					logrus.Debug("unexpected file change during watching file %v: %v", f.Name(), e.Op)
+					logrus.Debugf("unexpected file change during watching file %v: %v", f.Name(), e.Op)
 					return errDone
 				}
 			case newErr := <-fileWatcher.Errors:
 				// something wrong during the watching.
-				logrus.Debug("unexpected error during watching file %v: %v", f.Name(), newErr)
+				logrus.Debugf("unexpected error during watching file %v: %v", f.Name(), newErr)
 				return err
 			case <-watchTimeout.C:
 				// FIXME: Since we hold the file handler in the process,
@@ -92,7 +92,7 @@ func followFile(f *os.File, cfg *logger.ReadConfig, unmarshaler newUnmarshalFunc
 					if os.IsNotExist(sErr) {
 						return errDone
 					}
-					logrus.Debug("unexpected error during watching file %v: %v", f.Name(), sErr)
+					logrus.Debugf("unexpected error during watching file %v: %v", f.Name(), sErr)
 					return errDone
 				}
 			}

pkg/netutils/interface.go

@@ -374,12 +374,12 @@ func chooseHostInterfaceFromRoute(routes []Route, nw networkInterfacer) (net.IP,
 func getAddrByHostname() (net.IP, error) {
 	exit, stdout, stderr, err := exec.Run(0, "hostname", "-i")
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed to get ip address, stdout: (%s), stderr: (%s), exit: (%s)",
+		return nil, errors.Wrapf(err, "failed to get ip address, stdout: (%s), stderr: (%s), exit: (%d)",
 			stdout, stderr, exit)
 	}
 
 	if exit != 0 {
-		return nil, errors.Errorf("failed to get ip address, stdout: (%s), stderr: (%s), exit: (%s)",
+		return nil, errors.Errorf("failed to get ip address, stdout: (%s), stderr: (%s), exit: (%d)",
 			stdout, stderr, exit)
 	}