Comment 3 for bug 1861694

Also see https://logserver.rdoproject.org/84/704384/4/openstack-check/tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001/884042e/logs/overcloud-novacompute-0/var/log/containers/neutron/kill-script.log

and from journalctl https://logserver.rdoproject.org/84/704384/4/openstack-check/tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001/884042e/logs/overcloud-novacompute-0/var/log/journal.txt.gz, pasting below for a ovn-haproxy container that failed above in kill-script.

Sending kill signal 15 to container ca89f8d4361a
Container ca89f8d4361a failed to exit within 10 seconds of signal 15 - using the force
Sending kill signal 9 to container ca89f8d4361a6b2d53062ed36bcfc73e0df6e134f988715341e42f981686b713
container kill failed because of 'container not found' or 'no such process': Cannot kill container ca89f8d4361a: rpc error: code = 2 desc = no such process"
Container ca89f8d4361a failed to exit within 10 seconds of kill - trying direct SIGKILL
Handler for DELETE /v1.26/containers/ca89f8d4361a returned error: You cannot remove a running container ca89f8d4361a. Stop the container before attempting removal or use -f

Also following changes are there in new docker(1.13.1-108) https://git.centos.org/rpms/docker/c/b9462ce5493d0b79ecbf22f54a5a65cc40e18bb3?branch=c7-extras, there are changes which seems related, but i couldn't figure out what exactly is causing issues.