Ceph

All three dead jobs in recent hammer 0.94.10 integration run failed for the same reason (failure to reserve centos 7.2 smithi machines - I guess they have all been upgraded to 7.3):

• rados/thrash-erasure-code-isa/{arch/x86_64.yaml clusters/{fixed-2.yaml openstack.yaml} fs/ext4.yaml msgr-failures/few.yaml supported/centos_7.2.yaml thrashers/default.yaml workloads/ec-rados-plugin=isa-k=2-m=1.yaml}
• rados/thrash-erasure-code-isa/{arch/x86_64.yaml clusters/{fixed-2.yaml openstack.yaml} fs/ext4.yaml msgr-failures/fastclose.yaml supported/centos_7.2.yaml thrashers/morepggrow.yaml workloads/ec-rados-plugin=isa-k=2-m=1.yaml}
• rados/thrash-erasure-code-isa/{arch/x86_64.yaml clusters/{fixed-2.yaml openstack.yaml} fs/ext4.yaml msgr-failures/osd-delay.yaml supported/centos_7.2.yaml thrashers/default.yaml workloads/ec-rados-plugin=isa-k=2-m=1.yaml}

Already fixed in master and kraken by https://github.com/ceph/ceph/pull/12632