diff --git a/tempest/scenario/test_network_advanced_server_ops.py b/tempest/scenario/test_network_advanced_server_ops.py
index e6c6eb6..2c7c085 100644
--- a/tempest/scenario/test_network_advanced_server_ops.py
+++ b/tempest/scenario/test_network_advanced_server_ops.py
@@ -270,6 +270,11 @@
         new_host = self.get_host_for_server(server['id'])
         self.assertNotEqual(old_host, new_host, 'Server did not migrate')
 
+        # we first wait until the VM replies pings again, then check the
+        # network downtime
+        self._wait_server_status_and_check_network_connectivity(
+            server, keypair, floating_ip)
+
         downtime = downtime_meter.get_downtime()
         self.assertIsNotNone(downtime)
         LOG.debug("Downtime seconds measured with downtime_meter = %r",
@@ -280,9 +285,6 @@
             "Downtime of {} seconds is higher than expected '{}'".format(
                 downtime, allowed_downtime))
 
-        self._wait_server_status_and_check_network_connectivity(
-            server, keypair, floating_ip)
-
     @decorators.idempotent_id('25b188d7-0183-4b1e-a11d-15840c8e2fd6')
     @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration,
                           'Cold migration is not available.')
diff --git a/zuul.d/integrated-gate.yaml b/zuul.d/integrated-gate.yaml
index ec5e9af..70fdc79 100644
--- a/zuul.d/integrated-gate.yaml
+++ b/zuul.d/integrated-gate.yaml
@@ -286,7 +286,6 @@
       devstack_services:
         neutron-placement: true
         neutron-qos: true
-      tempest_concurrency: 2
     group-vars:
       # NOTE(mriedem): The ENABLE_VOLUME_MULTIATTACH variable is used on both
       # the controller and subnode prior to Rocky so we have to make sure the
diff --git a/zuul.d/stable-jobs.yaml b/zuul.d/stable-jobs.yaml
index 0aa1aac..89435ce 100644
--- a/zuul.d/stable-jobs.yaml
+++ b/zuul.d/stable-jobs.yaml
@@ -276,7 +276,6 @@
       devstack_services:
         neutron-placement: true
         neutron-qos: true
-      tempest_concurrency: 2
     group-vars:
       # NOTE(mriedem): The ENABLE_VOLUME_MULTIATTACH variable is used on both
       # the controller and subnode prior to Rocky so we have to make sure the