Add the names flag for pod logs

Fixes containers#13261

Signed-off-by: Xueyuan Chen <X.Chen-47@student.tudelft.nl>

libpod/container_log_linux.go

@@ -1,5 +1,5 @@
-//+build linux
-//+build systemd
+//go:build linux && systemd
+// +build linux,systemd
 
 package libpod
 
@@ -235,6 +235,9 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption
 				logrus.Errorf("Failed parse log line: %v", err)
 				return
 			}
+			if options.UseName {
+				logLine.CName = c.Name()
+			}
 			if doTail {
 				tailQueue = append(tailQueue, logLine)
 				continue