New ansible is more strict about types

See
https://docs.ansible.com/projects/ansible/latest/porting_guides/porting_guide_core_2.19.html#broken-conditionals

filter_plugins/util.py

@@ -6,6 +6,7 @@ class FilterModule(object):
         return {
             'defaultattr': self.defaultattr,
             'list2dict': self.list2dict,
+            'any': self.any,
         }
 
     def defaultattr(self, objects, attr, val=None):
@@ -19,3 +20,9 @@ class FilterModule(object):
         Like items2dict but keep entire dictionaries as values.
         '''
         return {item[key]: item for item in items}
+
+    def any(self, items):
+        '''
+        Return True if any item in the list is True.
+        '''
+        return any(items)

roles/debian/tasks/main.yml

@@ -92,7 +92,7 @@
   when: not is_proxmox # proxmox has its own firewall configuration
 
 - name: Run SSH instance in management VRF
-  when: interfaces | selectattr('vrf') | selectattr('vrf.name', '==', 'mgmt')
+  when: interfaces | selectattr('vrf') | selectattr('vrf.name', '==', 'mgmt') | any
   block:
     - name: Configure SSH instance in management VRF
       copy: