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The only error from neutron-server I found is:

ERROR neutron.plugins.ml2.managers [req-d5bb3e97-40b3-4261-aaea-dadad88537bf b3e7880917484f6899d79bdfa9f91cfc 0043ed77cd8b453d897d499c457d2247 - 3a3cd562d047408fbf743d22f2f22eb8 3a3cd562d047408fbf743d22f2f22eb8] Failed to bind port 2661688f-90b2-4c72-bd32-58acaf1c9a2c on host computei7-2 for vnic_type normal using segments [{'id': '9f27f7c7-414c-4012-bed8-efe802ef1d31', 'network_type': 'gre', 'physical_network': None, 'segmentation_id': 43, 'network_id': 'cf5e6f43-2a0b-4015-8b8f-5fe8be335056'}]

Has anyone have any clue about this?

The only error from neutron-server I found is:

ERROR neutron.plugins.ml2.managers [req-d5bb3e97-40b3-4261-aaea-dadad88537bf b3e7880917484f6899d79bdfa9f91cfc 0043ed77cd8b453d897d499c457d2247 - 3a3cd562d047408fbf743d22f2f22eb8 3a3cd562d047408fbf743d22f2f22eb8] Failed to bind port 2661688f-90b2-4c72-bd32-58acaf1c9a2c on host computei7-2 for vnic_type normal using segments [{'id': '9f27f7c7-414c-4012-bed8-efe802ef1d31', 'network_type': 'gre', 'physical_network': None, 'segmentation_id': 43, 'network_id': 'cf5e6f43-2a0b-4015-8b8f-5fe8be335056'}]

Has anyone have any clue about this?

UPDATE:

After all this time I finaly found out difference between error message shown node name and node name in "openstack compute service list" command. In error above neutron tries to bind port on host computei7-2 although when I type openstack compute service list I see only computei7-2.maas

What I did was:

1) Changed /etc/nova/nova.conf file host line in compute node instead of computei7-2.maas to computei7

2) Changed /etc/nova/neutron.conf file host line in compute node instead of computei7-2.maas to computei7

3) Reboot compute node

4) In openstack controller removed compute service with a name ending .maas:

openstack compute service delete $ID

5) Rebooted a node

After all these procedures I am able to launch docker container on compute node with command "docker run --net test_net cirros ifconfig"

The only error from neutron-server I found is:

ERROR neutron.plugins.ml2.managers [req-d5bb3e97-40b3-4261-aaea-dadad88537bf b3e7880917484f6899d79bdfa9f91cfc 0043ed77cd8b453d897d499c457d2247 - 3a3cd562d047408fbf743d22f2f22eb8 3a3cd562d047408fbf743d22f2f22eb8] Failed to bind port 2661688f-90b2-4c72-bd32-58acaf1c9a2c on host computei7-2 for vnic_type normal using segments [{'id': '9f27f7c7-414c-4012-bed8-efe802ef1d31', 'network_type': 'gre', 'physical_network': None, 'segmentation_id': 43, 'network_id': 'cf5e6f43-2a0b-4015-8b8f-5fe8be335056'}]

Has anyone have any clue about this?

UPDATE:

After all this time I finaly found out difference between error message shown node name and node name in "openstack compute service list" command. In error above neutron tries to bind port on host computei7-2 although when I type openstack compute service list I see only computei7-2.maas

What I did was:

1) Changed /etc/nova/nova.conf file host line in compute node instead of computei7-2.maas to computei7

2) Changed /etc/nova/neutron.conf file host line in compute node instead of computei7-2.maas to computei7

3) Reboot compute node

4) In openstack controller removed compute service with a name ending .maas:

openstack compute service delete $ID

5) Rebooted a node

After all these procedures I am able to launch docker container on compute node with command "docker run --net test_net cirros ifconfig"

Someone with more karma points please mark this answer as answered!