Reorganize network spec to more accurately reflect settings

roles/server/templates/netdev.j2

@@ -2,15 +2,15 @@
 #
 [NetDev]
 Name={{ item.key }}
-type={{ item.value.type }}
+Kind={{ item.value.device }}
 
-{% if item.value.type.lower() == 'bond' %}
+{% if item.value.device.lower() == 'bond' %}
 [Bond]
 Mode={{ item.value.bond_mode | default('balance-rr') }}
 PrimaryReselectPolicy=always
 MIIMonitorSec=1s
 {% endif %}
-{% if item.value.type.lower() == 'vlan' %}
+{% if item.value.device.lower() == 'vlan' %}
 [VLAN]
 Id={{ item.key.partition('.')[2] }}
 {% endif %}