docs: def get_expected_acls(self):
          """Query the neutron DB for Security Groups and Rules
  
          Groups and rules are returned as a dict of rule sets:
          {<eos_acl1_name>: set([<eos_acl1_rules>]),
           <eos_acl2_name>: set([<eos_acl2_rules>]),
           ...,
          }
          """
          security_groups = db_lib.get_security_groups()
  
          expected_acls = collections.defaultdict(set)
          for sg in security_groups:
              in_rules, out_rules = self._format_rules_for_eos(sg['rules'])
              ingress_acl_name = self._acl_name(sg['id'],
                                                n_const.INGRESS_DIRECTION)
              egress_acl_name = self._acl_name(sg['id'],
                                               n_const.EGRESS_DIRECTION)
              expected_acls[ingress_acl_name].update(in_rules)
              expected_acls[egress_acl_name].update(out_rules)
          return expected_acls