diff --git a/devstack/nsx_v3/devstackgaterc b/devstack/nsx_v3/devstackgaterc
index 8eae66e6b5..04c7b0ee45 100644
--- a/devstack/nsx_v3/devstackgaterc
+++ b/devstack/nsx_v3/devstackgaterc
@@ -24,7 +24,13 @@ r="$r(?:tempest\.api\.network\.test_extensions\.ExtensionsTestJSON.*)"
 r="$r|(?:tempest\.api\.network\.test_routers\.DvrRoutersTest.*)"
 r="$r|(?:tempest\.api\.network\.test_routers_negative\.DvrRoutersNegativeTest.*)"
 
-r="$r|(?:tempest\.api\.network\.test_allowed_address_pair\.AllowedAddressPairTestJSON\.test_update_port_with_cidr_address_pair*)"
+r="$r|(?:tempest\.api\.network\.test_allowed_address_pair\.AllowedAddressPairTestJSON\.test_update_port_with_cidr_address_pair.*)"
+#Native DHCP has no agents
+r="$r|(?:tempest\.api\.network\.admin\.test_agent_management\.AgentManagementTestJSON.*)"
+#Can not create more than one DHCP-enabled subnet
+r="$r|(?:tempest\.api\.network\.test_ports\.PortsTestJSON\.test_create_update_port_with_second_ip.*)"
+r="$r|(?:tempest\.api\.network\.test_ports\.PortsTestJSON\.test_update_port_with_security_group_and_extra_attributes.*)"
+r="$r|(?:tempest\.api\.network\.test_ports\.PortsTestJSON\.test_update_port_with_two_security_groups_and_extra_attributes.*)"
 
 # End list of exclusions.
 r="$r)"
diff --git a/vmware_nsx/nsxlib/v3/native_dhcp.py b/vmware_nsx/nsxlib/v3/native_dhcp.py
index 637a3128b5..3d2f02817d 100644
--- a/vmware_nsx/nsxlib/v3/native_dhcp.py
+++ b/vmware_nsx/nsxlib/v3/native_dhcp.py
@@ -39,12 +39,12 @@ def build_dhcp_server_config(network, subnet, port, project_name):
     host_routes = [{'network': subnet['cidr'], 'next_hop': '0.0.0.0'}]
     # Copy routes from subnet host_routes attribute.
     for hr in subnet['host_routes']:
-        if hr.destination == constants.IPv4_ANY:
+        if hr['destination'] == constants.IPv4_ANY:
             if not gateway_ip:
-                gateway_ip = hr.nexthop
+                gateway_ip = hr['nexthop']
         else:
-            host_routes.append({'network': hr.destination,
-                                'next_hop': hr.nexthop})
+            host_routes.append({'network': hr['destination'],
+                                'next_hop': hr['nexthop']})
     # If gateway_ip is defined, add default route via this gateway.
     if gateway_ip:
         host_routes.append({'network': constants.IPv4_ANY,