diff --git a/roles/interface-config/templates/fabric.cfg.j2 b/roles/interface-config/templates/fabric.cfg.j2
index d4ae88b..7c51065 100644
--- a/roles/interface-config/templates/fabric.cfg.j2
+++ b/roles/interface-config/templates/fabric.cfg.j2
@@ -35,7 +35,7 @@
   network {{ vtn_net_public_cidr | ipaddr('network') }}
   netmask {{ vtn_net_public_cidr | ipaddr('netmask') }}
   broadcast {{ vtn_net_public_cidr | ipaddr('broadcast') }}
-  hwaddress ether {{ ( vtn_net_public_hwaddr_prefix ~ ( vtn_ip | ip4_hex )) | hwaddr('unix') }}
+  hwaddress ether {{ ( vtn_net_public_hwaddr_prefix ~ ( vtn_ip | ip4_hex )) | hwaddr('linux') }}
   post-down ip link del fabricbridge
 
 {% if use_addresspool_vsg %}
@@ -70,7 +70,7 @@
   network {{ vtn_net_public_cidr | ipaddr('network') }}
   netmask {{ vtn_net_public_cidr | ipaddr('netmask') }}
   broadcast {{ vtn_net_public_cidr | ipaddr('broadcast') }}
-  hwaddress ether {{ ( vtn_net_public_hwaddr_prefix ~ ( vtn_ip | ip4_hex )) | hwaddr('unix') }}
+  hwaddress ether {{ ( vtn_net_public_hwaddr_prefix ~ ( vtn_ip | ip4_hex )) | hwaddr('linux') }}
   bond-miimon 100
   bond-slaves none
   bond-mode active-backup
diff --git a/roles/interface-config/templates/management.cfg.j2 b/roles/interface-config/templates/management.cfg.j2
index de8d942..d366660 100644
--- a/roles/interface-config/templates/management.cfg.j2
+++ b/roles/interface-config/templates/management.cfg.j2
@@ -11,7 +11,7 @@
   network {{ vtn_net_management_host_cidr | ipaddr('network') }}
   netmask {{ vtn_net_management_host_cidr | ipaddr('netmask') }}
   broadcast {{ vtn_net_management_host_cidr | ipaddr('broadcast') }}
-  hwaddress ether {{ ( vtn_net_management_host_hwaddr_prefix ~ ( mgmtbr_ip | ip4_hex )) | hwaddr('unix') }}
+  hwaddress ether {{ ( vtn_net_management_host_hwaddr_prefix ~ ( mgmtbr_ip | ip4_hex )) | hwaddr('linux') }}
   dns-search {{ site_suffix }}
   dns-nameservers {{ dns_servers | join(" ") }}
   post-down ip link del mgmtbridge