Comment 10 for bug 1958955

In job log:
https://logserver.rdoproject.org/82/38582/2/check/periodic-tripleo-ci-centos-9-ovb-1ctlr_1comp-featureset002-master/3506780/logs/undercloud/var/log/containers/neutron/dhcp-agent.log.txt.gz

2022-01-26 10:58:36.489 147155 INFO neutron.agent.dhcp.agent
  [req-e043493e-0fe5-4956-b2dc-f6523891bdae - - - - -]
    All active networks have been fetched through RPC.

2022-01-26 10:58:36.490 147155 INFO neutron.agent.dhcp.agent
  [-] Starting network 55fd99bc-2c12-483d-9b61-a45ae5714baf dhcp configuration

2022-01-26 10:58:36.491 147155 DEBUG oslo_concurrency.lockutils
  [-] Lock "resize_greenpool" acquired by "neutron.agent.dhcp.agent.DhcpAgent._resize_process_pool" :: waited 0.000s inner /usr/lib/python3.9/site-packages/oslo_concurrency/lockutils.py:386

2022-01-26 10:58:36.491 147155 DEBUG oslo_concurrency.lockutils
  [-] Lock "resize_greenpool" "released" by "neutron.agent.dhcp.agent.DhcpAgent._resize_process_pool" :: held 0.000s inner /usr/lib/python3.9/site-packages/oslo_concurrency/lockutils.py:400

2022-01-26 10:58:36.492 147155 INFO neutron.agent.dhcp.agent
  [-] Finished network 55fd99bc-2c12-483d-9b61-a45ae5714baf dhcp configuration

Locally attempting to reproduce the issue, I was not able to reproduce.

_A LOT_ more is going on between these log entries.
  All active networks have been fetched through RPC.
  <- and ->
  Finished network <UUID> for dhcp configuration

https://opendev.org/openstack/neutron/commit/1562f9141ba9c90c69c1c851dd9a50c8108ab15f