diff --git a/neutron_tempest_plugin/scenario/base.py b/neutron_tempest_plugin/scenario/base.py
index 78b766b..c748e63 100644
--- a/neutron_tempest_plugin/scenario/base.py
+++ b/neutron_tempest_plugin/scenario/base.py
@@ -21,6 +21,7 @@
 from neutron_lib.api import validators
 from neutron_lib import constants as neutron_lib_constants
 from oslo_log import log
+from paramiko import ssh_exception as ssh_exc
 from tempest.common.utils import net_utils
 from tempest.common import waiters
 from tempest.lib.common.utils import data_utils
@@ -264,7 +265,7 @@
                                 pkey=ssh_key, timeout=ssh_timeout)
         try:
             ssh_client.test_connection_auth()
-        except lib_exc.SSHTimeout as ssh_e:
+        except (lib_exc.SSHTimeout, ssh_exc.AuthenticationException) as ssh_e:
             LOG.debug(ssh_e)
             self._log_console_output(servers)
             self._log_local_network_status()
@@ -379,12 +380,14 @@
                 fragmentation,
                 timeout=timeout, pattern=pattern,
                 forbid_packet_loss=forbid_packet_loss))
-        except lib_exc.SSHTimeout as ssh_e:
+        except (lib_exc.SSHTimeout, ssh_exc.AuthenticationException) as ssh_e:
             LOG.debug(ssh_e)
             self._log_console_output(servers)
+            self._log_local_network_status()
             raise
         except AssertionError:
             self._log_console_output(servers)
+            self._log_local_network_status()
             raise
 
     def ping_ip_address(self, ip_address, should_succeed=True,
@@ -471,15 +474,17 @@
                     **kwargs)
                 self.assertIn(server['name'],
                               ssh_client.exec_command('hostname'))
-        except lib_exc.SSHTimeout as ssh_e:
+        except (lib_exc.SSHTimeout, ssh_exc.AuthenticationException) as ssh_e:
             LOG.debug(ssh_e)
             if log_errors:
                 self._log_console_output(servers)
+                self._log_local_network_status()
             raise
         except AssertionError as assert_e:
             LOG.debug(assert_e)
             if log_errors:
                 self._log_console_output(servers)
+                self._log_local_network_status()
             raise
 
     def ensure_nc_listen(self, ssh_client, port, protocol, echo_msg=None,
@@ -504,9 +509,10 @@
             return ssh_client.execute_script(
                 get_ncat_server_cmd(port, protocol, echo_msg),
                 become_root=True, combine_stderr=True)
-        except lib_exc.SSHTimeout as ssh_e:
+        except (lib_exc.SSHTimeout, ssh_exc.AuthenticationException) as ssh_e:
             LOG.debug(ssh_e)
             self._log_console_output(servers)
+            self._log_local_network_status()
             raise
 
     def nc_client(self, ip_address, port, protocol):
diff --git a/neutron_tempest_plugin/scenario/test_ipv6.py b/neutron_tempest_plugin/scenario/test_ipv6.py
index 02e2846..15f05d0 100644
--- a/neutron_tempest_plugin/scenario/test_ipv6.py
+++ b/neutron_tempest_plugin/scenario/test_ipv6.py
@@ -15,6 +15,7 @@
 
 from neutron_lib import constants as lib_constants
 from oslo_log import log
+from paramiko import ssh_exception as ssh_exc
 from tempest.common import utils as tempest_utils
 from tempest.lib.common.utils import data_utils
 from tempest.lib import decorators
@@ -108,16 +109,22 @@
                     return True
             return False
 
-        # Set NIC with IPv6 to be UP and wait until IPv6 address will be
-        # configured on this NIC
-        turn_nic6_on(ssh_client, ipv6_port)
-        # And check if IPv6 address will be properly configured on this NIC
-        utils.wait_until_true(
-            lambda: guest_has_address(ipv6_address),
-            timeout=120,
-            exception=RuntimeError(
-                "Timed out waiting for IP address {!r} to be configured in "
-                "the VM {!r}.".format(ipv6_address, vm['id'])))
+        try:
+            # Set NIC with IPv6 to be UP and wait until IPv6 address will be
+            # configured on this NIC
+            turn_nic6_on(ssh_client, ipv6_port)
+            # And check if IPv6 address will be properly configured on this NIC
+            utils.wait_until_true(
+                lambda: guest_has_address(ipv6_address),
+                timeout=120,
+                exception=RuntimeError(
+                    "Timed out waiting for IP address {!r} to be configured "
+                    "in the VM {!r}.".format(ipv6_address, vm['id'])))
+        except (lib_exc.SSHTimeout, ssh_exc.AuthenticationException) as ssh_e:
+            LOG.debug(ssh_e)
+            self._log_console_output([vm])
+            self._log_local_network_status()
+            raise
 
     def _test_ipv6_hotplug(self, ra_mode, address_mode):
         ipv6_networks = [self.create_network() for _ in range(2)]
diff --git a/neutron_tempest_plugin/scenario/test_security_groups.py b/neutron_tempest_plugin/scenario/test_security_groups.py
index 23a5224..9059a2f 100644
--- a/neutron_tempest_plugin/scenario/test_security_groups.py
+++ b/neutron_tempest_plugin/scenario/test_security_groups.py
@@ -33,13 +33,15 @@
     required_extensions = ['router', 'security-group']
 
     def _verify_http_connection(self, ssh_client, ssh_server,
-                                test_ip, test_port, should_pass=True):
+                                test_ip, test_port, servers, should_pass=True):
         """Verify if HTTP connection works using remote hosts.
 
         :param ssh.Client ssh_client: The client host active SSH client.
         :param ssh.Client ssh_server: The HTTP server host active SSH client.
         :param string test_ip: IP address of HTTP server
         :param string test_port: Port of HTTP server
+        :param list servers: List of servers for which console output will be
+                             logged in case when test case
         :param bool should_pass: Wheter test should pass or not.
 
         :return: if passed or not
@@ -57,6 +59,8 @@
         except Exception as e:
             if not should_pass:
                 return
+            self._log_console_output(servers)
+            self._log_local_network_status()
             raise e
 
     @classmethod
@@ -378,6 +382,7 @@
                 ssh_clients[0],
                 ssh_clients[2],
                 test_ip, port,
+                servers,
                 should_pass=False)
 
         # add two remote-group rules with port-ranges
@@ -399,7 +404,8 @@
             self._verify_http_connection(
                 ssh_clients[0],
                 ssh_clients[2],
-                test_ip, port)
+                test_ip, port,
+                servers)
 
     @decorators.idempotent_id('f07d0159-8f9e-4faa-87f5-a869ab0ad490')
     def test_intra_sg_isolation(self):