Instance migration fails: Timed out waiting for a reply to message

api: '1.0'
astute_sha: 9a74b788be9a7c5682f1c52a892df36e4766ce3f
build_id: 2014-07-16_21-15-18
build_number: '133'
fuellib_sha: 2d1e1369c13bc9771e9473086cb064d257a21fc2
fuelmain_sha: 069686abb90f458f67cfcb4018cacc19971e4b4d
mirantis: 'yes'
nailgun_sha: 1d08d6f80b6514085dd8c0af4d437ef5d37e2802
ostf_sha: 09b6bccf7d476771ac859bb3c76c9ebec9da9e1f
production: docker
release: 5.0.1

Migration of instance failed during system tests on CI:

http://jenkins-product.srt.mirantis.net:8080/view/5.0_swarm/job/5.0_fuelmain.system_test.centos.thread_1/44/testReport/junit/(root)/migrate_vm_backed_with_ceph/migrate_vm_backed_with_ceph/

Nova logs (node-2) contain the following errors:

http://paste.openstack.org/show/86940/

Full diagnostic snapshot is attached.