Add small delay to setup internal ports after network create

Related-Prod: PRODX-53280
Change-Id: I2ae5caff3a14474a7f75f2a67cfc2508a19a24f2
diff --git a/neutron_tempest_plugin/config.py b/neutron_tempest_plugin/config.py
index 3f8ccd5..016299b 100644
--- a/neutron_tempest_plugin/config.py
+++ b/neutron_tempest_plugin/config.py
@@ -151,6 +151,10 @@
     cfg.BoolOpt('bgp_schedule_speakers_to_agents',
                 default=False,
                 help='Schedule BGP speakers to agents explicitly.'),
+    cfg.IntOpt('internal_port_setup_delay',
+           default=5,
+           help='Number of seconds to wait after network create to '
+                'setup internal ports.'),
 ]
 
 # TODO(amuller): Redo configuration options registration as part of the planned