[kvm]: fix nat-rule-url

software/kvm/buildout.hash.cfg

@@ -19,7 +19,7 @@ md5sum = 028b6a6456d744c11b1bb2c51ecd51b2
 
 [template-kvm]
 filename = instance-kvm.cfg.jinja2
-md5sum = c298aaa20a368ddc118b8bb22dc84dc3
+md5sum = 26a947c75792072a7b526cb18b617b10
 
 [template-kvm-cluster]
 filename = instance-kvm-cluster.cfg.jinja2.in

software/kvm/instance-kvm.cfg.jinja2

@@ -444,7 +444,7 @@ maximum-extra-disk-amount = {{ disk_number }}
 {%       set external_port = 10000 + port|int() -%}
 nat-rule-port-{{proto}}-{{port}} = ${slap-network-information:global-ipv6} : ${6tunnel-{{proto}}-{{external_port}}:ipv6-port}
 {%       if slapparameter_dict.get('publish-nat-url', False) -%}
-nat-rule-url-{{port}} = [${slap-network-information:global-ipv6}]:${6tunnel-{{external_port}}:ipv6-port}
+nat-rule-url-{{proto}}-{{port}} = [${slap-network-information:global-ipv6}]:${6tunnel-{{proto}}-{{external_port}}:ipv6-port}
 {%       endif -%}
 {%     endfor -%}
 {%   endif -%}