diff --git a/neutron_tempest_plugin/common/ssh.py b/neutron_tempest_plugin/common/ssh.py
index c6204a4..8334521 100644
--- a/neutron_tempest_plugin/common/ssh.py
+++ b/neutron_tempest_plugin/common/ssh.py
@@ -286,6 +286,13 @@
                 command=shell, host=self.host, script=script, stderr=stderr,
                 stdout=stdout, exit_status=exit_status)
 
+    def get_hostname(self):
+        """Retrieve the remote machine hostname"""
+        try:
+            return self.exec_command('hostname')
+        except exceptions.SSHExecCommandFailed:
+            return self.exec_command('cat /etc/hostname')
+
 
 def _buffer_to_string(data_buffer, encoding):
     return data_buffer.decode(encoding).replace("\r\n", "\n").replace(
diff --git a/neutron_tempest_plugin/scenario/base.py b/neutron_tempest_plugin/scenario/base.py
index c7c5459..752e536 100644
--- a/neutron_tempest_plugin/scenario/base.py
+++ b/neutron_tempest_plugin/scenario/base.py
@@ -307,13 +307,19 @@
             self._log_ns_network_status(ns_name=ns_name)
 
     def _log_ns_network_status(self, ns_name=None):
-        local_ips = ip_utils.IPCommand(namespace=ns_name).list_addresses()
+        try:
+            local_ips = ip_utils.IPCommand(namespace=ns_name).list_addresses()
+            local_routes = ip_utils.IPCommand(namespace=ns_name).list_routes()
+            arp_table = ip_utils.arp_table()
+        except exceptions.ShellCommandFailed:
+            LOG.debug('Namespace %s has been deleted synchronously during the '
+                      'host network collection process', ns_name)
+            return
+
         LOG.debug('Namespace %s; IP Addresses:\n%s',
                   ns_name, '\n'.join(str(r) for r in local_ips))
-        local_routes = ip_utils.IPCommand(namespace=ns_name).list_routes()
         LOG.debug('Namespace %s; Local routes:\n%s',
                   ns_name, '\n'.join(str(r) for r in local_routes))
-        arp_table = ip_utils.arp_table()
         LOG.debug('Namespace %s; Local ARP table:\n%s',
                   ns_name, '\n'.join(str(r) for r in arp_table))
 
@@ -513,7 +519,7 @@
                     pkey=self.keypair['private_key'],
                     **kwargs)
                 self.assertIn(server['name'],
-                              ssh_client.exec_command('hostname'))
+                              ssh_client.get_hostname())
         except (lib_exc.SSHTimeout, ssh_exc.AuthenticationException) as ssh_e:
             LOG.debug(ssh_e)
             if log_errors:
diff --git a/neutron_tempest_plugin/scenario/test_internal_dns.py b/neutron_tempest_plugin/scenario/test_internal_dns.py
index c620233..406af3d 100644
--- a/neutron_tempest_plugin/scenario/test_internal_dns.py
+++ b/neutron_tempest_plugin/scenario/test_internal_dns.py
@@ -59,7 +59,7 @@
             CONF.validation.image_ssh_user,
             pkey=self.keypair['private_key'])
 
-        self.assertIn('luke', ssh_client.exec_command('hostname'))
+        self.assertIn('luke', ssh_client.get_hostname())
 
         leia_port = self.client.list_ports(
             network_id=self.network['id'],
diff --git a/neutron_tempest_plugin/scenario/test_trunk.py b/neutron_tempest_plugin/scenario/test_trunk.py
index 98fe6ae..8f260ea 100644
--- a/neutron_tempest_plugin/scenario/test_trunk.py
+++ b/neutron_tempest_plugin/scenario/test_trunk.py
@@ -15,6 +15,7 @@
 import collections
 
 from neutron_lib import constants
+from neutron_lib.utils import test
 from oslo_log import log as logging
 from tempest.common import utils as tutils
 from tempest.lib.common.utils import data_utils
@@ -246,6 +247,7 @@
             self._wait_for_trunk(vm.trunk)
             self._assert_has_ssh_connectivity(vm1.ssh_client)
 
+    @test.unstable_test("bug 1897796")
     @testtools.skipUnless(
         (CONF.neutron_plugin_options.advanced_image_ref or
          CONF.neutron_plugin_options.default_image_is_advanced),
diff --git a/tox.ini b/tox.ini
index eecd16e..3c18fbf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,7 @@
    OS_STDOUT_CAPTURE={env:OS_STDOUT_CAPTURE:true}
    OS_STDERR_CAPTURE={env:OS_STDERR_CAPTURE:true}
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/test-requirements.txt
 commands = stestr run --slowest {posargs}
 
diff --git a/zuul.d/base.yaml b/zuul.d/base.yaml
index 28998cf..8644b41 100644
--- a/zuul.d/base.yaml
+++ b/zuul.d/base.yaml
@@ -37,6 +37,12 @@
         neutron-tag-ports-during-bulk-creation: true
         br-ex-tcpdump: true
         br-int-flows: true
+        # Cinder services
+        c-api: false
+        c-bak: false
+        c-sch: false
+        c-vol: false
+        cinder: false
         # We don't need Swift to be run in the Neutron jobs
         s-account: false
         s-container: false
@@ -98,7 +104,10 @@
       # default test timeout set to 1200 seconds may be not enough if job is
       # run on slow node
       tempest_test_timeout: 2400
-      tempest_test_regex: ^neutron_tempest_plugin\.scenario
+      tempest_test_regex: "\
+          (^neutron_tempest_plugin.scenario)|\
+          (^tempest.api.compute.servers.test_attach_interfaces)|\
+          (^tempest.api.compute.servers.test_multiple_create)"
       devstack_localrc:
         PHYSICAL_NETWORK: default
         CIRROS_VERSION: 0.5.1
@@ -107,6 +116,3 @@
         ADVANCED_INSTANCE_TYPE: ds512M
         ADVANCED_INSTANCE_USER: ubuntu
         BUILD_TIMEOUT: 784
-      devstack_services:
-        cinder: true
-
diff --git a/zuul.d/master_jobs.yaml b/zuul.d/master_jobs.yaml
index 072c8b4..01ff187 100644
--- a/zuul.d/master_jobs.yaml
+++ b/zuul.d/master_jobs.yaml
@@ -228,13 +228,19 @@
         q-l3: false
         q-meta: false
         q-metering: false
+        q-qos: true
+        tls-proxy: true
+        # Cinder services
+        c-api: false
+        c-bak: false
+        c-sch: false
+        c-vol: false
+        cinder: false
         s-account: false
         s-container-sync: false
         s-container: false
         s-object: false
         s-proxy: false
-        tls-proxy: true
-        q-qos: true
       devstack_local_conf:
         post-config:
           $NEUTRON_CONF:
@@ -299,7 +305,12 @@
         neutron-trunk: true
         neutron-log: true
         neutron-port-forwarding: true
-        cinder: true
+        # Cinder services
+        c-api: false
+        c-bak: false
+        c-sch: false
+        c-vol: false
+        cinder: false
         # We don't need Swift to be run in the Neutron jobs
         s-account: false
         s-container: false
@@ -367,6 +378,9 @@
           neutron-trunk: true
           neutron-log: true
           neutron-port-forwarding: true
+          # Cinder services
+          c-bak: false
+          c-vol: false
           # We don't need Swift to be run in the Neutron jobs
           s-account: false
           s-container: false