diff --git a/.gitignore b/.gitignore
index ff2f3e46..02c9aa4c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 *.pyc
 *.egg-info
+*.swp
 __pycache__
 
 tags
diff --git a/mamonsu/lib/zbx.py b/mamonsu/lib/zbx.py
index 85c1a97c..3598e146 100644
--- a/mamonsu/lib/zbx.py
+++ b/mamonsu/lib/zbx.py
@@ -6,6 +6,7 @@
 import struct
 import socket
 import json
+import logging
 
 import mamonsu.lib.platform as platform
 from mamonsu.lib.plugin import Plugin
@@ -25,6 +26,8 @@ def __init__(self, config):
         self.max_queue_size = config.fetch('sender', 'queue', int)
         self.fqdn = config.fetch('zabbix', 'client')
         self.queue = Queue()
+        self.log = logging.getLogger(
+            'ZBX-{0}:{1}'.format(self.host, self.port))
 
     def json(self, val):
         return json.dumps(val)
@@ -75,6 +78,10 @@ def _send_data(self, data):
             resp_body_len = struct.unpack('<Q', resp_header[5:])[0]
             resp_body = self._receive(sock, resp_body_len)
             self.log.debug('response: {0}'.format(resp_body))
+            if 'failed: 0' not in str(resp_body):
+                self.log.error(
+                    'Response from server'
+                    ' with failed items: {0}'.format(resp_body))
         finally:
             sock.close()