commit dba86a0ab42bb9dec0f78eec41886b983ac24c29
Author: Rabi Mishra <ramishra@redhat.com>
Date:   Tue Oct 13 17:55:23 2020 +0530

    Use default for external_gateway_ip in multiple_nics_ipv6.j2
    
    Use 'fe80::1' as the default external gateway for ipv6.
    We earlier had an ipv4 address as the default in nic config
    templates.
    
    Closes-Bug: #1899627
    Change-Id: Ia9bd8e17134fbdb83ab3fa49d21e0168ec33623a

diff --git a/tripleo_ansible/roles/tripleo_network_config/templates/ci/multiple_nics_ipv6.j2 b/tripleo_ansible/roles/tripleo_network_config/templates/ci/multiple_nics_ipv6.j2
index c7c9d4a..bb92fb5 100644
--- a/tripleo_ansible/roles/tripleo_network_config/templates/ci/multiple_nics_ipv6.j2
+++ b/tripleo_ansible/roles/tripleo_network_config/templates/ci/multiple_nics_ipv6.j2
@@ -15,7 +15,7 @@ network_config:
   routes:
   - default: true
     ip_netmask: ::/0
-    next_hop: {{ external_gateway_ip }}
+    next_hop: {{ external_gateway_ip | default('fe80::1') }}
   members:
   - type: interface
     name: nic2