diff --git a/cfg_checker/common/ssh_utils.py b/cfg_checker/common/ssh_utils.py
index fdf4c91..bdfe6b5 100644
--- a/cfg_checker/common/ssh_utils.py
+++ b/cfg_checker/common/ssh_utils.py
@@ -27,6 +27,7 @@
     # Build SSH cmd
     if keypath:
         _ssh_cmd.append("-i " + keypath)
+        _ssh_cmd.append("-o " + "IdentitiesOnly=yes")
     if port:
         _ssh_cmd.append("-p " + str(port))
     if username:
@@ -106,7 +107,8 @@
             self._options += ["-p", str(self.port)]
         self._extra_options = [
             "-o", "UserKnownHostsFile=/dev/null",
-            "-o", "StrictHostKeyChecking=no"
+            "-o", "StrictHostKeyChecking=no",
+            "-o", "IdentitiesOnly=yes"
         ]
 
         self._host_uri = ""
@@ -120,7 +122,7 @@
             raise CheckerException(
                 "Invalid SSH banner type: '{}'".format(type(banner))
             )
-        logger.debug("...connecting")
+        logger.debug("... connecting")
         while True:
             try:
                 line = self.outq.get(block=False)
@@ -136,11 +138,11 @@
                         "...timed out after {} sec".format(str(self.timeout))
                     )
                     return False
-        logger.debug("...connected")
+        logger.debug("... connected")
         return True
 
     def _wait_for_string(self, string):
-        logger.debug("...waiting for '{}'".format(string))
+        logger.debug("... waiting for '{}'".format(string))
         while True:
             try:
                 line = self.outq.get(block=False)
@@ -156,10 +158,10 @@
                 self.timeout -= 1
                 if not self.timeout:
                     logger.debug(
-                        "...timed out after {} sec".format(str(self.timeout))
+                        "... timed out after {} sec".format(str(self.timeout))
                     )
                     return False
-        logger.debug("...found")
+        logger.debug("... found")
         return True
 
     def _init_connection(self, cmd):
@@ -203,7 +205,7 @@
 
     def do(self, cmd, timeout=30, sudo=False, strip_cmd=True):
         cmd = cmd if isinstance(cmd, bytes) else bytes(cmd.encode('utf-8'))
-        logger.debug("...ssh: '{}'".format(cmd))
+        logger.debug("... ssh: '{}'".format(cmd))
         if sudo:
             _cmd = b"sudo " + cmd
         else:
@@ -376,7 +378,7 @@
         self._cmd += [self._host_uri]
 
         logger.debug(
-            "...port forwarding: '{}'".format(" ".join(self._cmd))
+            "... port forwarding: '{}'".format(" ".join(self._cmd))
         )
         self._init_connection(self._cmd)
         return self