[Backport/2.9/61442]Update ce_mtu to fix bugs (#62684)

* Update ce_mtu to fix bugs

(cherry picked from commit cb8a3a4c06)

* Update ce_mtu modified information

changelogs/fragments/61442-ce_mtu-to-fix-bugs.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- ce_mtu- update to fix some bugs - Contrast before and after adding configuration. (https://github.com/ansible/ansible/pull/61442)

lib/ansible/modules/network/cloudengine/ce_mtu.py

@@ -534,6 +534,8 @@ class Mtu(object):
             else:
                 self.end_state[
                     "jumboframe"] = "jumboframe enable %s %s" % (self.jbf_max, 1518)
+        if self.end_state == self.existing:
+            self.changed = False
 
     def work(self):
         """worker"""