diff --git a/postservice/31-one-netmng b/postservice/31-one-netmng
index f2b7f27..21eec1c 100755
--- a/postservice/31-one-netmng
+++ b/postservice/31-one-netmng
@@ -9,6 +9,7 @@ import sys
 import os
 import csv
 import logging
+import re
 
 LOG_FILE = '/var/log/one/eole-one-node.log'
 
@@ -56,10 +57,11 @@ class OneClient():
             self.auth = res[1].split(':')
 
     def __run_cmd__(self, cmd):
-        cmd.extend(['--user', self.auth[0]])
-        cmd.extend(['--password', self.auth[1]])
+        command = list(cmd)
+        command.extend(['--user', self.auth[0]])
+        command.extend(['--password', self.auth[1]])
 
-        res = process.system_out(cmd)
+        res = process.system_out(command)
         if res[0] == 0:
             if 'list' in cmd:
                 out_lines = []
@@ -67,7 +69,7 @@ class OneClient():
                     for line in res[1].split('\n'):
                         if len(line) == 0:
                             next
-                        elif 'ID' in line:
+                        elif re.match('^.*ID ', line):
                             next
                         else:
                             out_lines.append(line.split())