I'm having troubles with the verify step of the Zun intallation at Openstack Queens on Ubuntu 18.04 LTS. I previously Posted a trouble with it and already fixed the error you guys pointed at. Now i still can't launch the app container. It freeze at container_creating task, the shows an error state root@controller /h/team# openstack appcontainer show 4a657ac5-058c-43eb-8cbf-7239ad3c4d76 +-------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +-------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | addresses | {} | | links | [{u'href': u' http://controller:9517/v1/containers/4a657ac5-058c-43eb-8cbf-7239ad3c4d76', u'rel': u'self'}, {u'href': u' http://controller:9517/containers/4a657ac5-058c-43eb-8cbf-7239ad3c4d76', u'rel': u'bookmark'}] | | image | cirros | | labels | {} | | disk | 0 | | security_groups | [] | | image_pull_policy | None | | user_id | a16c6ef0319b4643a4ec8e56a1d025cb | | uuid | 4a657ac5-058c-43eb-8cbf-7239ad3c4d76 | | hostname | None | | environment | {} | | memory | None | | project_id | 59065d8f970b467aa94ef7b35f1edab5 | | status | Error | | workdir | None | | auto_remove | False | | status_detail | None | | host | None | | image_driver | docker | | task_state | None | | status_reason | *Docker internal error: 500 Server Error: Internal Server Error ("failed to update store for object type *libnetwork.endpointCnt: client: endpoint http://10.8.9.54:2379 <http://10.8.9.54:2379> exceeded header timeout"). * | | name | test1 | | restart_policy | {} | | ports | [] | | command | "ping" "8.8.8.8" | | runtime | None | | cpu | None | | interactive | False | +-------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ I tried to launch another container without defining a network and without executing any command, and it also had the same error. I can launch container from the computer node cli with docker commands, the errors are when i try to launch them from the controller CLI. I run a docker run hello-world at the compute node and everything went fine Wen u runned openstack appcontainer create hello-world i had exactly the same error