diff --git a/sysinv/sysinv/sysinv/sysinv/agent/manager.py b/sysinv/sysinv/sysinv/sysinv/agent/manager.py
index d16eb5a33f..b3a14868dc 100644
--- a/sysinv/sysinv/sysinv/sysinv/agent/manager.py
+++ b/sysinv/sysinv/sysinv/sysinv/agent/manager.py
@@ -115,8 +115,7 @@ SYSINV_READY_FLAG = os.path.join(tsc.VOLATILE_PATH, ".sysinv_ready")
 CONFIG_APPLIED_FILE = os.path.join(tsc.PLATFORM_CONF_PATH, ".config_applied")
 CONFIG_APPLIED_DEFAULT = "install"
 
-FIRST_BOOT_FLAG = os.path.join(
-    tsc.PLATFORM_CONF_PATH, ".first_boot")
+FIRST_BOOT_FLAG = constants.FIRST_BOOT_FLAG
 
 PUPPET_HIERADATA_PATH = os.path.join(tsc.PUPPET_PATH, 'hieradata')
 PUPPET_HIERADATA_CACHE_PATH = '/etc/puppet/cache/hieradata'
@@ -225,6 +224,7 @@ class AgentManager(service.PeriodicService):
         self._first_grub_update = False
         self._inventoried_initial = False
         self._inventory_reported = set()
+        self._first_boot_flag = os.path.exists(FIRST_BOOT_FLAG)
 
     def start(self):
         super(AgentManager, self).start()
@@ -611,20 +611,29 @@ class AgentManager(service.PeriodicService):
     def _get_ports_inventory(self):
         """Collect ports inventory for this host"""
 
+        # During bootstrap (fresh install and also restore), and network first-boot
+        #    send report unconditionally
+        # During host configuration (subsequent reboots):
+        #    worker in subfunction : do not send report until worker manifest applied
+        #    otherwise: send report unconditionally
+
         port_list = []
         pci_device_list = []
         host_macs = []
 
-        initial_worker_config_completed = \
-            os.path.exists(tsc.INITIAL_WORKER_CONFIG_COMPLETE)
+        ansible_bootstrap_flag = \
+            os.path.exists(constants.ANSIBLE_BOOTSTRAP_FLAG)
         worker_config_completed = \
             os.path.exists(tsc.VOLATILE_WORKER_CONFIG_COMPLETE)
 
-        # do not send report if the initial worker config is completed and
-        # worker config has not finished, i.e.during subsequent
-        # reboot before the manifest enables and binds any SR-IOV devices
-        if (initial_worker_config_completed and
-                not worker_config_completed):
+        # do not send report if it is neither first boot nor
+        # ansible-bootstrap, and worker config has not finished,
+        # i.e. during subsequent reboot before the worker manifest
+        # enables and binds any SR-IOV devices
+        if (not self._first_boot_flag
+                and not ansible_bootstrap_flag
+                and constants.WORKER in self.subfunctions_list_get()
+                and not worker_config_completed):
             return port_list, pci_device_list, host_macs
 
         # find list of network related inics for this host
diff --git a/sysinv/sysinv/sysinv/sysinv/common/constants.py b/sysinv/sysinv/sysinv/sysinv/common/constants.py
index c2e1375757..92a910440d 100644
--- a/sysinv/sysinv/sysinv/sysinv/common/constants.py
+++ b/sysinv/sysinv/sysinv/sysinv/common/constants.py
@@ -2118,6 +2118,9 @@ KUBE_POWER_MANAGER_VALUE = 'enabled'
 # Default DNS service domain
 DEFAULT_DNS_SERVICE_DOMAIN = 'cluster.local'
 
+# First boot
+FIRST_BOOT_FLAG = os.path.join(tsc.PLATFORM_CONF_PATH, ".first_boot")
+
 # Ansible bootstrap
 ANSIBLE_BOOTSTRAP_FLAG = os.path.join(tsc.VOLATILE_PATH, ".ansible_bootstrap")
 ANSIBLE_BOOTSTRAP_COMPLETED_FLAG = os.path.join(tsc.PLATFORM_CONF_PATH,
diff --git a/sysinv/sysinv/sysinv/sysinv/tests/agent/test_pci.py b/sysinv/sysinv/sysinv/sysinv/tests/agent/test_pci.py
index e167834b98..66ead09d56 100644
--- a/sysinv/sysinv/sysinv/sysinv/tests/agent/test_pci.py
+++ b/sysinv/sysinv/sysinv/sysinv/tests/agent/test_pci.py
@@ -27,6 +27,7 @@ from sysinv.agent.pci import PCIOperator
 from sysinv.agent.pci import PCI
 from sysinv.agent.manager import AgentManager
 from sysinv.tests import base
+from sysinv.common import constants
 from sysinv.common import fpga_constants
 import tsconfig.tsconfig as tsc
 
@@ -170,10 +171,11 @@ class TestAgentOperator(base.TestCase):
                     mock.patch.object(PCIOperator, 'pci_get_device_attrs'),
                     mock.patch.object(PCIOperator, 'inics_get'),
                     mock.patch.object(PCIOperator, 'pci_devices_get'),
+                    mock.patch.object(AgentManager, 'subfunctions_list_get'),
                     mock.patch.object(AgentManager, '_acquire_network_config_lock'),
                     mock.patch.object(AgentManager, '_release_network_config_lock')) as (
                         mock_net_attrs, mock_device_attrs, mock_nics, mock_devices,
-                        aquire_lock, release_lock):
+                        mock_subfunctions, aquire_lock, release_lock):
 
             def fake_get_net_attrs(a):
                 return FAKE_PORT_ATTRIBUTES
@@ -187,26 +189,119 @@ class TestAgentOperator(base.TestCase):
             def fake_get_devices():
                 return FAKE_DEVICES
 
+            def fake_subfunctions_list_get():
+                return self.subfunctions_list
+
             mock_net_attrs.side_effect = fake_get_net_attrs
             mock_device_attrs.side_effect = fake_get_device_attrs
             mock_nics.side_effect = fake_get_nics
             mock_devices.side_effect = fake_get_devices
+            mock_subfunctions.side_effect = fake_subfunctions_list_get
 
             ports, devices, macs = self.agent_manager._get_ports_inventory()
             return ports, devices, macs
 
     @mock.patch('os.path.exists')
-    def test_get_pci_inventory_before_worker_initial_config_complete(self, mock_exists):
+    def test_get_pci_inventory_during_network_boot_install(self, mock_exists):
         def file_exists_side_effect(filename):
-            # Neither the initial nor volatile worker config complete flags are set
-            return False
+            if filename == constants.FIRST_BOOT_FLAG:
+                # first boot flag is set.
+                return True
+            else:
+                # ansible bootstrap flag is not set.
+                # Neither the initial nor volatile worker config complete flags are set
+                return False
+
+        self.agent_manager._first_boot_flag = True
         mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
 
         ports, devices, macs = self._get_ports_inventory()
         assert len(ports) == 1
         assert len(devices) == 1
         assert len(macs) == 1
 
+    @mock.patch('os.path.exists')
+    def test_get_pci_inventory_during_bootstrap_fresh_install(self, mock_exists):
+        def file_exists_side_effect(filename):
+            if filename == constants.ANSIBLE_BOOTSTRAP_FLAG:
+                # ansible bootstrap flag is set.
+                return True
+            else:
+                # Neither the initial nor volatile worker config complete flags are set
+                return False
+
+        mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
+
+        ports, devices, macs = self._get_ports_inventory()
+        assert len(ports) == 1
+        assert len(devices) == 1
+        assert len(macs) == 1
+
+    @mock.patch('os.path.exists')
+    def test_get_pci_inventory_during_restore(self, mock_exists):
+        def file_exists_side_effect(filename):
+            if filename in [constants.ANSIBLE_BOOTSTRAP_FLAG,
+                            tsc.RESTORE_IN_PROGRESS_FLAG]:
+                # Both ansible bootstrap and restore flag are set.
+                return True
+            else:
+                # Neither the initial nor volatile worker config complete flags are set
+                return False
+
+        mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
+
+        ports, devices, macs = self._get_ports_inventory()
+        assert len(ports) == 1
+        assert len(devices) == 1
+        assert len(macs) == 1
+
+    @mock.patch('os.path.exists')
+    def test_get_pci_inventory_controller_before_config_complete(self, mock_exists):
+        def file_exists_side_effect(filename):
+            # Neither the initial nor volatile controller config complete flags are set
+            # Neither first boot nor ansible bootstrap flag are not set.
+            return False
+
+        mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.CONTROLLER]
+
+        ports, devices, macs = self._get_ports_inventory()
+        assert len(ports) == 1
+        assert len(devices) == 1
+        assert len(macs) == 1
+
+    @mock.patch('os.path.exists')
+    def test_get_pci_inventory_storage_before_config_complete(self, mock_exists):
+        def file_exists_side_effect(filename):
+            # Neither the initial nor volatile storage config complete flags are set
+            # Neither first boot nor ansible bootstrap flag are not set.
+            return False
+
+        mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.STORAGE]
+
+        ports, devices, macs = self._get_ports_inventory()
+        assert len(ports) == 1
+        assert len(devices) == 1
+        assert len(macs) == 1
+
+    @mock.patch('os.path.exists')
+    def test_get_pci_inventory_before_worker_initial_config_complete(self, mock_exists):
+        def file_exists_side_effect(filename):
+            # Neither the initial nor volatile worker config complete flags are set
+            # Neither first boot nor ansible bootstrap flag are not set.
+            return False
+        mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
+
+        ports, devices, macs = self._get_ports_inventory()
+        assert len(ports) == 0
+        assert len(devices) == 0
+        assert len(macs) == 0
+
     @mock.patch('os.path.exists')
     def test_get_pci_inventory_before_worker_config_complete(self, mock_exists):
         def file_exists_side_effect(filename):
@@ -214,8 +309,11 @@ class TestAgentOperator(base.TestCase):
                 # Only the initial worker config complete flag is set
                 return True
             else:
+                # worker config complete is not set.
+                # Neither first boot nor ansible bootstrap flag are set.
                 return False
         mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
 
         ports, devices, macs = self._get_ports_inventory()
         assert len(ports) == 0
@@ -230,8 +328,10 @@ class TestAgentOperator(base.TestCase):
                 # Both of the initial and volatile worker config complete flags are set
                 return True
             else:
+                # Neither first boot nor ansible bootstrap flag are set.
                 return False
         mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
 
         ports, devices, macs = self._get_ports_inventory()
         for dev in devices:
@@ -250,6 +350,7 @@ class TestAgentOperator(base.TestCase):
             else:
                 return False
         mock_exists.side_effect = file_exists_side_effect
+        self.subfunctions_list = [constants.WORKER]
 
         ports, devices, macs = self._get_ports_inventory()
         for dev in devices: