Probably relevant, I can see the following in the journal logs.
Nov 12 17:40:42 centos-7-inap-mtl01-0000480210 dockerd-current[14710]: dnsmasq: cannot open or create lease file /var/lib/neutron/dhcp/aab3cc80-e850-4695-957a-9dc8446aa78e/leases: No such file or directory
/usr/bin/docker-current: Error response from daemon: Conflict. The container name "/neutron-dnsmasq-qdhcp-aab3cc80-e850-4695-957a-9dc8446aa78e" is already in use by container 7a54c41ab05b3e01ecbfd63def485263c07dfbd446e2db627f8b665c68132f75. You have to remove (or rename) that container to be able to reuse that name..
Probably relevant, I can see the following in the journal logs.
Nov 12 17:40:42 centos- 7-inap- mtl01-000048021 0 dockerd- current[ 14710]: dnsmasq: cannot open or create lease file /var/lib/ neutron/ dhcp/aab3cc80- e850-4695- 957a-9dc8446aa7 8e/leases: No such file or directory
http:// logs.openstack. org/03/ 616203/ 9/gate/ tripleo- ci-centos- 7-standalone/ 75f1be5/ logs/undercloud /var/log/ journal. txt.gz
Related errors in the dhcp agent logs
/usr/bin/ docker- current: Error response from daemon: Conflict. The container name "/neutron- dnsmasq- qdhcp-aab3cc80- e850-4695- 957a-9dc8446aa7 8e" is already in use by container 7a54c41ab05b3e0 1ecbfd63def4852 63c07dfbd446e2d b627f8b665c6813 2f75. You have to remove (or rename) that container to be able to reuse that name..
http:// logs.openstack. org/03/ 616203/ 9/gate/ tripleo- ci-centos- 7-standalone/ 75f1be5/ logs/undercloud /var/log/ containers/ neutron/ dhcp-agent. log.txt. gz#_2018- 11-12_17_ 40_40_144