I confirm Arata's comment, OVS fails to start:
http://logs.openstack.org/82/235482/1/check/gate-puppet-openstack-integration-scenario002-dsvm-trusty/bd79764/logs/syslog.txt.gz#_Oct_15_16_48_29
2.4.0-0ubuntu3 looks like a broken release to us.
I confirm Arata's comment, OVS fails to start:
http:// logs.openstack. org/82/ 235482/ 1/check/ gate-puppet- openstack- integration- scenario002- dsvm-trusty/ bd79764/ logs/syslog. txt.gz# _Oct_15_ 16_48_29
2.4.0-0ubuntu3 looks like a broken release to us.