ios_l2_interface (#35054)

* Fix sending 'None' to device on ios

* Add ios_l2_interface module & tests

* Skip l2 tests on non-l2 images

* Allow test to continue on non-L2 hosts

lib/ansible/plugins/cliconf/ios.py

@@ -86,8 +86,7 @@ class Cliconf(CliconfBase):
                               False, newline)
 
     def get(self, command, prompt=None, answer=None, sendonly=False):
-        return self.send_command(to_bytes(command), prompt=to_bytes(prompt),
-                                 answer=to_bytes(answer), sendonly=sendonly)
+        return self.send_command(command, prompt=prompt, answer=answer, sendonly=sendonly)
 
     def get_capabilities(self):
         result = {}