If gateway allocated on subnet is not in cidr then allocation pools are invalid

gkotton@gkotton-ubuntu12:~/devstack$ quantum subnet-create --gateway 1.1.1.1 xxx 192.168.111.0/24
Created a new subnet:
+------------------+------------------------------------------------+
| Field | Value |
+------------------+------------------------------------------------+
| allocation_pools | {"start": "1.1.1.2", "end": "192.168.111.254"} |
| cidr | 192.168.111.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 1.1.1.1 |
| host_routes | |
| id | 2f2d067d-2b59-4c60-aaa5-796f27149fef |
| ip_version | 4 |
| name | |
| network_id | 1ad6737c-6c29-420e-88df-35c07986d172 |
| tenant_id | 0a03ba05e0c34fc2ab0862316d88d9ea |
+------------------+------------------------------------------------+