diff --git a/releasenotes/notes/16/16.0.0-add-content-type-without-spaces-b2c9b91b257814f3.yaml b/releasenotes/notes/16/16.0.0-add-content-type-without-spaces-b2c9b91b257814f3.yaml
index fc061bc..9ae46fd 100644
--- a/releasenotes/notes/16/16.0.0-add-content-type-without-spaces-b2c9b91b257814f3.yaml
+++ b/releasenotes/notes/16/16.0.0-add-content-type-without-spaces-b2c9b91b257814f3.yaml
@@ -6,4 +6,4 @@
     The lack of these additional content-type will cause defcore test
     to fail for OpenStack public cloud which uses tomcat module in the
     api gateway. The additions are ``application/json;charset=utf-8``,
-    ``text/html;charset=utf-8``,``text/plain;charset=utf-8``
\ No newline at end of file
+    ``text/html;charset=utf-8``, ``text/plain;charset=utf-8``
diff --git a/releasenotes/notes/16/16.0.0-add-tempest-run-combine-option-e94c1049ba8985d5.yaml b/releasenotes/notes/16/16.0.0-add-tempest-run-combine-option-e94c1049ba8985d5.yaml
index 73900ca..e9c3694 100644
--- a/releasenotes/notes/16/16.0.0-add-tempest-run-combine-option-e94c1049ba8985d5.yaml
+++ b/releasenotes/notes/16/16.0.0-add-tempest-run-combine-option-e94c1049ba8985d5.yaml
@@ -1,6 +1,6 @@
 ---
 features:
   - |
-    Adds a new cli option to tempest run, --combine, which is used to indicate
-    you want the subunit stream output combined with the previous run's in
-    the testr repository
+    Adds a new cli option to tempest run, ``--combine``, which is used
+    to indicate you want the subunit stream output combined with the
+    previous run's in the testr repository
diff --git a/releasenotes/notes/16/16.0.0-remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml b/releasenotes/notes/16/16.0.0-remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml
index 9d7102f..5b4a96d 100644
--- a/releasenotes/notes/16/16.0.0-remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml
+++ b/releasenotes/notes/16/16.0.0-remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml
@@ -1,5 +1,5 @@
 ---
 upgrade:
   - |
-    The deprecated config option 'allow_port_security_disabled' from compute_feature_enabled
-    group has been removed.
+    The deprecated config option ``allow_port_security_disabled`` from
+    ``compute_feature_enabled`` group has been removed.
diff --git a/releasenotes/notes/16/16.0.0-remove-deprecated-compute-validation-config-options-part-2-5cd17b6e0e6cb8a3.yaml b/releasenotes/notes/16/16.0.0-remove-deprecated-compute-validation-config-options-part-2-5cd17b6e0e6cb8a3.yaml
index b4e4dd1..c8b0ca8 100644
--- a/releasenotes/notes/16/16.0.0-remove-deprecated-compute-validation-config-options-part-2-5cd17b6e0e6cb8a3.yaml
+++ b/releasenotes/notes/16/16.0.0-remove-deprecated-compute-validation-config-options-part-2-5cd17b6e0e6cb8a3.yaml
@@ -8,4 +8,4 @@
     - ``compute.ssh_user`` (available as ``validation.image_ssh_user``)
     - ``scenario.ssh_user`` (available as ``validation.image_ssh_user``)
     - ``compute.network_for_ssh`` (available as ``validation.network_for_ssh``)
-    - ``compute.ping_timeout `` (available as ``validation.ping_timeout``)
+    - ``compute.ping_timeout`` (available as ``validation.ping_timeout``)
diff --git a/releasenotes/notes/add-load-list-cmd-35a4a2e6ea0a36fd.yaml b/releasenotes/notes/add-load-list-cmd-35a4a2e6ea0a36fd.yaml
index 403bbad..145e7dd 100644
--- a/releasenotes/notes/add-load-list-cmd-35a4a2e6ea0a36fd.yaml
+++ b/releasenotes/notes/add-load-list-cmd-35a4a2e6ea0a36fd.yaml
@@ -1,7 +1,7 @@
 ---
 features:
   - |
-    Adds a new cli option to tempest run, --load-list <list-file>
+    Adds a new cli option to tempest run, ``--load-list <list-file>``
     to specify target tests to run from a list-file. The list-file
-    supports the output format of the tempest run --list-tests
+    supports the output format of the tempest run ``--list-tests``
     command.
diff --git a/releasenotes/notes/add-save-state-option-5ea67858cbaca969.yaml b/releasenotes/notes/add-save-state-option-5ea67858cbaca969.yaml
index 8fdf4f0..abd2610 100644
--- a/releasenotes/notes/add-save-state-option-5ea67858cbaca969.yaml
+++ b/releasenotes/notes/add-save-state-option-5ea67858cbaca969.yaml
@@ -1,4 +1,5 @@
 ---
 features:
   - |
-    Add --save-state option to allow saving state of cloud before tempest run.
+    Add ``--save-state`` option to allow saving state of cloud before
+    tempest run.
diff --git a/releasenotes/notes/add-show-quota-details-api-to-network-quotas-client-3fffd302cc5d335f.yaml b/releasenotes/notes/add-show-quota-details-api-to-network-quotas-client-3fffd302cc5d335f.yaml
index 406e282..6c44ba0 100644
--- a/releasenotes/notes/add-show-quota-details-api-to-network-quotas-client-3fffd302cc5d335f.yaml
+++ b/releasenotes/notes/add-show-quota-details-api-to-network-quotas-client-3fffd302cc5d335f.yaml
@@ -3,5 +3,5 @@
   - |
     Add extension API show quota details to network quotas_client library.
     This feature enables the possibility to show a quota set for a specified
-    project that includes the quota’s used, limit and reserved counts for per
-    resource
+    project that includes the quota's used, limit and reserved counts per
+    resource.
diff --git a/releasenotes/notes/cli-tests-v3fixes-fb38189cefd64213.yaml b/releasenotes/notes/cli-tests-v3fixes-fb38189cefd64213.yaml
index e3443c8..2a0a86c 100644
--- a/releasenotes/notes/cli-tests-v3fixes-fb38189cefd64213.yaml
+++ b/releasenotes/notes/cli-tests-v3fixes-fb38189cefd64213.yaml
@@ -2,8 +2,8 @@
 other:
   - |
     The CLIClient class, when it calls a command line client, uses
-    --os-project-name instead of --os-tenant-name for the project, and
-    passes --os-identity-api-version (default empty).
+    ``--os-project-name`` instead of ``--os-tenant-name`` for the
+    project, and passes ``--os-identity-api-version`` (default empty).
     All CLI clients still available in supported releases of OpenStack
-    which are wrapped by the cmd_with_auth() method support those
+    which are wrapped by the ``cmd_with_auth()`` method support those
     switches.
diff --git a/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml b/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml
index 265853d..0f9a0f6 100644
--- a/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml
+++ b/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml
@@ -1,8 +1,8 @@
 ---
 features:
   - |
-    Adds a new CLI arg in tempest run, --black-regex, which is a regex to
-    exclude the tests that match it.
+    Adds a new CLI arg in tempest run, ``--black-regex``, which is a
+    regex to exclude the tests that match it.
 fixes:
   - |
     Fixes tempest run CLI args mutually exclusive behavior which should not
diff --git a/releasenotes/notes/tempest-workspace-delete-directory-feature-74d6d157a5a05561.yaml b/releasenotes/notes/tempest-workspace-delete-directory-feature-74d6d157a5a05561.yaml
index ec21098..c69ed50 100644
--- a/releasenotes/notes/tempest-workspace-delete-directory-feature-74d6d157a5a05561.yaml
+++ b/releasenotes/notes/tempest-workspace-delete-directory-feature-74d6d157a5a05561.yaml
@@ -1,5 +1,5 @@
 ---
 features:
   - |
-    Added tempest workspace remove --name <workspace_name> --rmdir
+    Added tempest workspace remove ``--name <workspace_name> --rmdir``
     feature to delete the workspace directory as well as entry.
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index b377c0c..d0c1973 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -108,6 +108,35 @@
                 raise lib_exc.InvalidConfiguration(
                     'Either api_v1 or api_v2 must be True in '
                     '[image-feature-enabled].')
+        cls._check_depends_on_nova_network()
+
+    @classmethod
+    def _check_depends_on_nova_network(cls):
+        # Since nova-network APIs were removed from Nova in the Rocky release,
+        # determine, based on the max version from the version document, if
+        # the compute API is >Queens and if so, skip tests that rely on
+        # nova-network.
+        if not getattr(cls, 'depends_on_nova_network', False):
+            return
+        versions = cls.versions_client.list_versions()['versions']
+        # Find the v2.1 version which will tell us our max version for the
+        # compute API we're testing against.
+        for version in versions:
+            if version['id'] == 'v2.1':
+                max_version = api_version_request.APIVersionRequest(
+                    version['version'])
+                break
+        else:
+            LOG.warning(
+                'Unable to determine max v2.1 compute API version: %s',
+                versions)
+            return
+
+        # The max compute API version in Queens is 2.60 so we cap
+        # at that version.
+        queens = api_version_request.APIVersionRequest('2.60')
+        if max_version > queens:
+            raise cls.skipException('nova-network is gone')
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/servers/test_device_tagging.py b/tempest/api/compute/servers/test_device_tagging.py
index 3a85a86..ff8ed61 100644
--- a/tempest/api/compute/servers/test_device_tagging.py
+++ b/tempest/api/compute/servers/test_device_tagging.py
@@ -13,7 +13,6 @@
 #    under the License.
 
 import json
-import time
 
 from oslo_log import log as logging
 
@@ -80,9 +79,11 @@
                 return True
             cmd = 'curl %s' % md_url
             md_json = ssh_client.exec_command(cmd)
-            verify_method(md_json)
-            return True
-
+            return verify_method(md_json)
+        # NOTE(gmann) Keep refreshing the metadata info until the metadata
+        # cache is refreshed. For safer side, we will go with wait loop of
+        # build_interval till build_timeout. verify_method() above will return
+        # True if all metadata verification is done as expected.
         if not test_utils.call_until_true(get_and_verify_metadata,
                                           CONF.compute.build_timeout,
                                           CONF.compute.build_interval):
@@ -122,16 +123,20 @@
                 if d['mac'] == self.net_2_200_mac:
                     self.assertEqual(d['tags'], ['net-2-200'])
 
-            # A hypervisor may present multiple paths to a tagged disk, so
-            # there may be duplicated tags in the metadata, use set() to
-            # remove duplicated tags.
-            # Some hypervisors might report devices with no tags as well.
-            found_devices = [d['tags'][0] for d in md_dict['devices']
-                             if d.get('tags')]
+        # A hypervisor may present multiple paths to a tagged disk, so
+        # there may be duplicated tags in the metadata, use set() to
+        # remove duplicated tags.
+        # Some hypervisors might report devices with no tags as well.
+        found_devices = [d['tags'][0] for d in md_dict['devices']
+                         if d.get('tags')]
+        try:
             self.assertEqual(set(found_devices), set(['port-1', 'port-2',
                                                       'net-1', 'net-2-100',
                                                       'net-2-200', 'boot',
                                                       'other']))
+            return True
+        except Exception:
+            return False
 
     @decorators.idempotent_id('a2e65a6c-66f1-4442-aaa8-498c31778d96')
     @utils.services('network', 'volume', 'image')
@@ -302,12 +307,21 @@
 
     def verify_device_metadata(self, md_json):
         md_dict = json.loads(md_json)
-        found_devices = [d['tags'][0] for d in md_dict['devices']]
-        self.assertItemsEqual(found_devices, ['nic-tag', 'volume-tag'])
+        found_devices = [d['tags'][0] for d in md_dict['devices']
+                         if d.get('tags')]
+        try:
+            self.assertItemsEqual(found_devices, ['nic-tag', 'volume-tag'])
+            return True
+        except Exception:
+            return False
 
     def verify_empty_devices(self, md_json):
         md_dict = json.loads(md_json)
-        self.assertEmpty(md_dict['devices'])
+        try:
+            self.assertEmpty(md_dict['devices'])
+            return True
+        except Exception:
+            return False
 
     @decorators.idempotent_id('3e41c782-2a89-4922-a9d2-9a188c4e7c7c')
     @utils.services('network', 'volume', 'image')
@@ -354,10 +368,6 @@
             server=server,
             servers_client=self.servers_client)
 
-        # NOTE(artom) The newly attached tagged nic won't appear in the
-        # metadata until the cache is refreshed. We wait 16 seconds since the
-        # default cache expiry is 15 seconds.
-        time.sleep(16)
         self.verify_metadata_from_api(server, ssh_client,
                                       self.verify_device_metadata)
 
@@ -370,7 +380,5 @@
         waiters.wait_for_interface_detach(self.interfaces_client,
                                           server['id'],
                                           interface['port_id'])
-        # NOTE(artom) More waiting until metadata cache is refreshed.
-        time.sleep(16)
         self.verify_metadata_from_api(server, ssh_client,
                                       self.verify_empty_devices)
diff --git a/tempest/api/compute/servers/test_virtual_interfaces.py b/tempest/api/compute/servers/test_virtual_interfaces.py
index 90f04ff..5fb1711 100644
--- a/tempest/api/compute/servers/test_virtual_interfaces.py
+++ b/tempest/api/compute/servers/test_virtual_interfaces.py
@@ -25,8 +25,12 @@
 CONF = config.CONF
 
 
+# TODO(mriedem): Remove this test class once the nova queens branch goes into
+# extended maintenance mode.
 class VirtualInterfacesTestJSON(base.BaseV2ComputeTest):
 
+    depends_on_nova_network = True
+
     @classmethod
     def setup_credentials(cls):
         # This test needs a network and a subnet
@@ -50,8 +54,6 @@
         # for a given server_id
 
         if CONF.service_available.neutron:
-            # TODO(mriedem): After a microversion implements the API for
-            # neutron, a 400 should be a failure for nova-network and neutron.
             with testtools.ExpectedException(exceptions.BadRequest):
                 self.client.list_virtual_interfaces(self.server['id'])
         else:
diff --git a/tempest/api/compute/servers/test_virtual_interfaces_negative.py b/tempest/api/compute/servers/test_virtual_interfaces_negative.py
index c4e2400..ec4d7a8 100644
--- a/tempest/api/compute/servers/test_virtual_interfaces_negative.py
+++ b/tempest/api/compute/servers/test_virtual_interfaces_negative.py
@@ -20,8 +20,12 @@
 from tempest.lib import exceptions as lib_exc
 
 
+# TODO(mriedem): Remove this test class once the nova queens branch goes into
+# extended maintenance mode.
 class VirtualInterfacesNegativeTestJSON(base.BaseV2ComputeTest):
 
+    depends_on_nova_network = True
+
     @classmethod
     def setup_credentials(cls):
         # For this test no network resources are needed
diff --git a/tempest/api/volume/admin/test_volumes_backup.py b/tempest/api/volume/admin/test_volumes_backup.py
index 375aacb..35eea11 100644
--- a/tempest/api/volume/admin/test_volumes_backup.py
+++ b/tempest/api/volume/admin/test_volumes_backup.py
@@ -59,9 +59,7 @@
         volume = self.create_volume()
         # Create backup
         backup_name = data_utils.rand_name(self.__class__.__name__ + '-Backup')
-        backup = (self.create_backup(backup_client=self.admin_backups_client,
-                                     volume_id=volume['id'],
-                                     name=backup_name))
+        backup = self.create_backup(volume_id=volume['id'], name=backup_name)
         self.assertEqual(backup_name, backup['name'])
 
         # Export Backup
@@ -103,17 +101,16 @@
         self.assertIn(new_id, [b['id'] for b in backups])
 
         # Restore backup
-        restore = self.admin_backups_client.restore_backup(
-            backup['id'])['restore']
-        self.addCleanup(self.admin_volume_client.delete_volume,
+        restore = self.backups_client.restore_backup(backup['id'])['restore']
+        self.addCleanup(self.volumes_client.delete_volume,
                         restore['volume_id'])
         self.assertEqual(backup['id'], restore['backup_id'])
-        waiters.wait_for_volume_resource_status(self.admin_volume_client,
+        waiters.wait_for_volume_resource_status(self.volumes_client,
                                                 restore['volume_id'],
                                                 'available')
 
         # Verify if restored volume is there in volume list
-        volumes = self.admin_volume_client.list_volumes()['volumes']
+        volumes = self.volumes_client.list_volumes()['volumes']
         self.assertIn(restore['volume_id'], [v['id'] for v in volumes])
         waiters.wait_for_volume_resource_status(self.admin_backups_client,
                                                 import_backup['id'],
@@ -126,12 +123,10 @@
         # Create a backup
         backup_name = data_utils.rand_name(
             self.__class__.__name__ + '-Backup')
-        backup = self.create_backup(backup_client=self.admin_backups_client,
-                                    volume_id=volume['id'],
-                                    name=backup_name)
+        backup = self.create_backup(volume_id=volume['id'], name=backup_name)
         self.assertEqual(backup_name, backup['name'])
         # Reset backup status to error
         self.admin_backups_client.reset_backup_status(backup_id=backup['id'],
                                                       status="error")
-        waiters.wait_for_volume_resource_status(self.admin_backups_client,
+        waiters.wait_for_volume_resource_status(self.backups_client,
                                                 backup['id'], 'error')
diff --git a/tempest/api/volume/test_volume_transfers.py b/tempest/api/volume/test_volume_transfers.py
index 4108da5..75e81b7 100644
--- a/tempest/api/volume/test_volume_transfers.py
+++ b/tempest/api/volume/test_volume_transfers.py
@@ -15,6 +15,7 @@
 
 from tempest.api.volume import base
 from tempest.common import waiters
+from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
 
 
@@ -43,6 +44,9 @@
         transfer = self.client.create_volume_transfer(
             volume_id=volume['id'])['transfer']
         transfer_id = transfer['id']
+        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+                        self.client.delete_volume_transfer,
+                        transfer_id)
         auth_key = transfer['auth_key']
         waiters.wait_for_volume_resource_status(
             self.volumes_client, volume['id'], 'awaiting-transfer')
@@ -81,6 +85,9 @@
         # Create a volume transfer
         transfer_id = self.client.create_volume_transfer(
             volume_id=volume['id'])['transfer']['id']
+        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+                        self.client.delete_volume_transfer,
+                        transfer_id)
         waiters.wait_for_volume_resource_status(
             self.volumes_client, volume['id'], 'awaiting-transfer')
 
diff --git a/tempest/clients.py b/tempest/clients.py
index 707127c..2a07be9 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -241,32 +241,32 @@
         # if only api_v3 is enabled, all these clients should be available
         if (CONF.volume_feature_enabled.api_v2 or
             CONF.volume_feature_enabled.api_v3):
-            self.backups_v2_client = self.volume_v2.BackupsClient()
+            self.backups_v2_client = self.volume_v3.BackupsClient()
             self.encryption_types_v2_client = \
-                self.volume_v2.EncryptionTypesClient()
+                self.volume_v3.EncryptionTypesClient()
             self.snapshot_manage_v2_client = \
-                self.volume_v2.SnapshotManageClient()
-            self.snapshots_v2_client = self.volume_v2.SnapshotsClient()
+                self.volume_v3.SnapshotManageClient()
+            self.snapshots_v2_client = self.volume_v3.SnapshotsClient()
             self.volume_capabilities_v2_client = \
-                self.volume_v2.CapabilitiesClient()
-            self.volume_manage_v2_client = self.volume_v2.VolumeManageClient()
-            self.volume_qos_v2_client = self.volume_v2.QosSpecsClient()
-            self.volume_services_v2_client = self.volume_v2.ServicesClient()
-            self.volume_types_v2_client = self.volume_v2.TypesClient()
-            self.volume_hosts_v2_client = self.volume_v2.HostsClient()
-            self.volume_quotas_v2_client = self.volume_v2.QuotasClient()
+                self.volume_v3.CapabilitiesClient()
+            self.volume_manage_v2_client = self.volume_v3.VolumeManageClient()
+            self.volume_qos_v2_client = self.volume_v3.QosSpecsClient()
+            self.volume_services_v2_client = self.volume_v3.ServicesClient()
+            self.volume_types_v2_client = self.volume_v3.TypesClient()
+            self.volume_hosts_v2_client = self.volume_v3.HostsClient()
+            self.volume_quotas_v2_client = self.volume_v3.QuotasClient()
             self.volume_quota_classes_v2_client = \
-                self.volume_v2.QuotaClassesClient()
+                self.volume_v3.QuotaClassesClient()
             self.volume_scheduler_stats_v2_client = \
-                self.volume_v2.SchedulerStatsClient()
+                self.volume_v3.SchedulerStatsClient()
             self.volume_transfers_v2_client = \
-                self.volume_v2.TransfersClient()
+                self.volume_v3.TransfersClient()
             self.volume_v2_availability_zone_client = \
-                self.volume_v2.AvailabilityZoneClient()
-            self.volume_v2_limits_client = self.volume_v2.LimitsClient()
-            self.volumes_v2_client = self.volume_v2.VolumesClient()
+                self.volume_v3.AvailabilityZoneClient()
+            self.volume_v2_limits_client = self.volume_v3.LimitsClient()
+            self.volumes_v2_client = self.volume_v3.VolumesClient()
             self.volumes_v2_extension_client = \
-                self.volume_v2.ExtensionsClient()
+                self.volume_v3.ExtensionsClient()
 
             # Set default client for users that don't need explicit version
             self.volumes_client_latest = self.volumes_v2_client
diff --git a/tempest/lib/services/network/agents_client.py b/tempest/lib/services/network/agents_client.py
index 9bdf090..a0f832e 100644
--- a/tempest/lib/services/network/agents_client.py
+++ b/tempest/lib/services/network/agents_client.py
@@ -18,35 +18,62 @@
 class AgentsClient(base.BaseNetworkClient):
 
     def update_agent(self, agent_id, **kwargs):
-        """Update agent."""
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526673
+        """Update an agent.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://developer.openstack.org/api-ref/network/v2/#update-agent
+        """
         uri = '/agents/%s' % agent_id
         return self.update_resource(uri, kwargs)
 
     def show_agent(self, agent_id, **fields):
+        """Show details for an agent.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://developer.openstack.org/api-ref/network/v2/#show-agent-details
+        """
         uri = '/agents/%s' % agent_id
         return self.show_resource(uri, **fields)
 
     def list_agents(self, **filters):
+        """List all agents.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://developer.openstack.org/api-ref/network/v2/#list-all-agents
+        """
         uri = '/agents'
         return self.list_resources(uri, **filters)
 
     def list_routers_on_l3_agent(self, agent_id):
+        """List routers that an l3 agent hosts.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://developer.openstack.org/api-ref/network/v2/#list-routers-hosted-by-an-l3-agent
+        """
         uri = '/agents/%s/l3-routers' % agent_id
         return self.list_resources(uri)
 
     def create_router_on_l3_agent(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
+        """Add a router to an l3 agent.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://developer.openstack.org/api-ref/network/v2/#schedule-router-to-an-l3-agent
+        """
         uri = '/agents/%s/l3-routers' % agent_id
         return self.create_resource(uri, kwargs, expect_empty_body=True)
 
     def delete_router_from_l3_agent(self, agent_id, router_id):
+        """Remove a router to an l3 agent.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://developer.openstack.org/api-ref/network/v2/#remove-l3-router-from-an-l3-agent
+        """
         uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
         return self.delete_resource(uri)