I checked the various quantum services / resources. Everything looks ok except for the two DHCP agent which report XXX jenkins@wip-devstack-1362643791:~/workspace$ quantum net-list +--------------------------------------+---------+------------------------------------------------------+ | id | name | subnets | +--------------------------------------+---------+------------------------------------------------------+ | bd3653b3-e032-4caf-a9b6-3ac1ceb167ef | private | 37bf52d2-2854-49b9-903d-ccbe187d2174 10.1.0.0/24 | | fe6ba3ff-f527-47b7-b4fa-75212b2f8b6f | nova | 0adef22a-97a4-4fd0-a6b0-4fa0d59aa3a8 172.24.4.224/28 | +--------------------------------------+---------+------------------------------------------------------+ jenkins@wip-devstack-1362643791:~/workspace$ quantum subnet-list +--------------------------------------+------+-----------------+--------------------------------------------------+ | id | name | cidr | allocation_pools | +--------------------------------------+------+-----------------+--------------------------------------------------+ | 0adef22a-97a4-4fd0-a6b0-4fa0d59aa3a8 | | 172.24.4.224/28 | {"start": "172.24.4.226", "end": "172.24.4.238"} | | 37bf52d2-2854-49b9-903d-ccbe187d2174 | | 10.1.0.0/24 | {"start": "10.1.0.2", "end": "10.1.0.254"} | +--------------------------------------+------+-----------------+--------------------------------------------------+ (quantum) net-external-list +--------------------------------------+------+------------------------------------------------------+ | id | name | subnets | +--------------------------------------+------+------------------------------------------------------+ | fe6ba3ff-f527-47b7-b4fa-75212b2f8b6f | nova | 0adef22a-97a4-4fd0-a6b0-4fa0d59aa3a8 172.24.4.224/28 | +--------------------------------------+------+------------------------------------------------------+ (quantum) router-list +--------------------------------------+---------+--------------------------------------------------------+ | id | name | external_gateway_info | +--------------------------------------+---------+--------------------------------------------------------+ | 81aece45-0919-40a3-9de2-8dccd566b9fb | router1 | {"network_id": "fe6ba3ff-f527-47b7-b4fa-75212b2f8b6f"} | +--------------------------------------+---------+--------------------------------------------------------+ (quantum) router-port-list router1 +--------------------------------------+------+-------------------+-------------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-------------------------------------------------------------------------------------+ | 5aaeb9ce-b52d-4dc5-b371-1964702bd3ff | | fa:16:3e:4d:d7:95 | {"subnet_id": "0adef22a-97a4-4fd0-a6b0-4fa0d59aa3a8", "ip_address": "172.24.4.226"} | | d7f515a0-c0f7-40ec-9698-a440ea51d68b | | fa:16:3e:62:bd:43 | {"subnet_id": "37bf52d2-2854-49b9-903d-ccbe187d2174", "ip_address": "10.1.0.1"} | +--------------------------------------+------+-------------------+-------------------------------------------------------------------------------------+ (quantum) l3-agent-list-hosting-router router1 +--------------------------------------+-------------------------+----------------+-------+ | id | host | admin_state_up | alive | +--------------------------------------+-------------------------+----------------+-------+ | 67218f3f-d5ef-4fcc-b21a-ef69afb97822 | wip-devstack-1362643791 | True | :-) | +--------------------------------------+-------------------------+----------------+-------+ (quantum) router-list-on-l3-agent 67218f3f-d5ef-4fcc-b21a-ef69afb97822 +--------------------------------------+---------+--------------------------------------------------------+ | id | name | external_gateway_info | +--------------------------------------+---------+--------------------------------------------------------+ | 81aece45-0919-40a3-9de2-8dccd566b9fb | router1 | {"network_id": "fe6ba3ff-f527-47b7-b4fa-75212b2f8b6f"} | +--------------------------------------+---------+--------------------------------------------------------+ (quantum) dhcp-agent-list-hosting-net nova +--------------------------------------+-------------------------+----------------+-------+ | id | host | admin_state_up | alive | +--------------------------------------+-------------------------+----------------+-------+ | ab56afc1-d592-4839-85d8-952f33e59073 | wip-devstack-1362643791 | True | xxx | +--------------------------------------+-------------------------+----------------+-------+ (quantum) dhcp-agent-list-hosting-net private +--------------------------------------+-------------------------+----------------+-------+ | id | host | admin_state_up | alive | +--------------------------------------+-------------------------+----------------+-------+ | ab56afc1-d592-4839-85d8-952f33e59073 | wip-devstack-1362643791 | True | xxx | +--------------------------------------+-------------------------+----------------+-------+ I checked in devstack screen, but I didn't see any special error for the dhcp service. I tried restarting the service, and now I get ":-)". I created new VMs, but still they have the same exact issue.