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Neutron error while launching instance (rocky - ubuntu 18)

I am having issues setting up neutron.

Infrastructure details:

Operating System : Ubuntu 18.04.1 LTS

1 x controller and 1 x compute

Openstack installation : Rocky

Guide following:

Each node has 2 NICs:-

NIC 1 (eth0) - (gateway:

NIC 2 (eth1) (Has internet connection) - (gateway:

ifconfig output -

Openstack network : (Option2: Self-Service Network)

I have followed the instructions to the exact thing in the documentation few times.

Error while launching a new instance:

Error: Failed to perform requested operation on instance "node11", the instance has an error status: Please try again later [Error: Build of instance bb5703a2-2bfe-42a9-9e69-7bb1a8e8cfd5 aborted: Failed to allocate the network(s), not rescheduling.].

Configs files of controller:

neutron config:

/etc/neutron/plugins/ml2/linuxbridge_agent.ini :

/etc/neutron/plugins/ml2/ml2_conf.ini :

/etc/neutron/l3_agent.ini :

Logs of controller:

Neutron server log:

Linuxbridge Agent log :

Logs of compute node:

nova-compute.log :