NM not playing nice on ubuntu-16, use older method

roles/network/tasks/main.yml

@@ -106,7 +106,7 @@
 
 - name: NetworkManager in use
   include_tasks: NM-debian.yml
-  when: is_debuntu and network_manager_active
+  when: is_ubuntu_18 and network_manager_active
 #and not installing
   tags:
     - network
@@ -127,7 +127,7 @@
 
 - name: Not RPi, Not NetworkManager, Not systemd-networkd in use
   include_tasks: debian.yml
-  when: not is_rpi and not network_manager_active and not systemd_networkd_active and is_debuntu
+  when: (not is_rpi and not network_manager_active and not systemd_networkd_active and is_debuntu) or is_ubuntu_16
 #and not installing
   tags:
     - network

vars/default_vars.yml

@@ -383,6 +383,7 @@ xovis_chart_heading: "My School: Usage Data Visualization"
 # wide to narrow
 is_debuntu: False
 is_ubuntu: False
+is_ubuntu_16: False
 is_ubuntu_18: False
 is_debian: False
 is_debian_9: False

vars/ubuntu-16.yml

@@ -1,5 +1,6 @@
 is_debuntu: True
 is_ubuntu: True
+is_ubuntu_16: True
 dns_service: bind9
 dns_user: bind
 dhcp_service: isc-dhcp-server