l3agent can not kill keepalived process due to rootwrap filter when keepalived gets updated
Issue
After minor update neutron l3 agent fails with the following error when managing l3 ha router:
2017-11-09 03:25:48.479 590139 ERROR neutron.agent.l3.agent RemoteError:
2017-11-09 03:25:48.479 590139 ERROR neutron.agent.l3.agent ---------------------------------------------------------------------------
2017-11-09 03:25:48.479 590139 ERROR neutron.agent.l3.agent Unserializable message: ('#ERROR', ValueError('I/O operation on closed file',))
2017-11-09 03:25:48.479 590139 ERROR neutron.agent.l3.agent ---------------------------------------------------------------------------
Environment
- Red Hat OpenStack Platform
This was seen during an OSP10 minor update which included an update from RHEL 7.3 to RHEL 7.4, but should apply to other versions as well.
keepalived-1.2.13-9.el7_3
->keepalived-1.3.5-1.el7
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