Evalle

mysql> select * from endpoint;
+----------------------------------+----------------------------------+-----------+----------------------------------+------------------------------------------+-------+---------+-----------+
| id                               | legacy_endpoint_id               | interface | service_id                       | url                                      | extra | enabled | region_id |
+----------------------------------+----------------------------------+-----------+----------------------------------+------------------------------------------+-------+---------+-----------+
| 1d9f7ead5f7f4f8491fd38df9bffe5ae | 09f652fa15ac44e7b2a6a6acb72bcda1 | internal  | 3030184b071b47d6adfe85c166ba27ba | http://controller:9292                   | {}    |       1 | RegionOne |
| 1fd60f9037444433bdc75864fc98b39f | e5f9cba0c0cb4b0d88dd3c069ee5b40b | admin     | c03874e5d2b0498490723ddf8a023b9b | http://controller:9696                   | {}    |       1 | RegionOne |
| 42fbd00e51e14ffc9df5cff14b5681d

Evalle

Either via 
$ docker run --dns 10.0.0.2 busybox nslookup google.com

or edit your /etc/docker/daemon.json to have something like:

{
    "dns": ["10.0.0.2", "8.8.8.8"]
}

then restart docker service