Add port and host check for neighbor args in junos_interface (#29941)

lib/ansible/modules/network/junos/junos_interface.py

@@ -365,10 +365,12 @@ def main():
                 have_port = [item.text for item in reply.xpath('lldp-neighbors-information/lldp-neighbor-information/lldp-remote-port-id')]
 
             for neighbor in want_neighbors:
-                if neighbor['host'] not in have_host:
-                    failed_conditions.append('host ' + neighbor['host'])
-                if neighbor['port'] not in have_port:
-                    failed_conditions.append('port ' + neighbor['port'])
+                host = neighbor.get('host')
+                port = neighbor.get('port')
+                if host and host not in have_host:
+                    failed_conditions.append('host ' + host)
+                if port and port not in have_port:
+                    failed_conditions.append('port ' + port)
     if failed_conditions:
         msg = 'One or more conditional statements have not be satisfied'
         module.fail_json(msg=msg, failed_conditions=failed_conditions)