gate-neutron-dsvm-functional fails with "Length too long:"

[Matt Riedemann]

http://logs.openstack.org/64/128564/6/gate/gate-neutron-dsvm-functional/40b7818/logs/devstack-gate-post-test-hook.txt.gz

message:"Length too long:" AND tags:"console" AND (build_name:"check-neutron-dsvm-functional" OR build_name:"gate-neutron-dsvm-functional")

117 hits in 7 days, check and gate, all failures:

http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiTGVuZ3RoIHRvbyBsb25nOlwiIEFORCB0YWdzOlwiY29uc29sZVwiIEFORCAoYnVpbGRfbmFtZTpcImNoZWNrLW5ldXRyb24tZHN2bS1mdW5jdGlvbmFsXCIgT1IgYnVpbGRfbmFtZTpcImdhdGUtbmV1dHJvbi1kc3ZtLWZ1bmN0aW9uYWxcIikiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjYwNDgwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjE0MTM4MjYwMjEyNDQsIm1vZGUiOiIiLCJhbmFseXplX2ZpZWxkIjoiIn0=

[Matt Riedemann (mriedem)]

e-r query: https://review.openstack.org/#/c/129678/

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.openstack.org/129720

[OpenStack Infra (hudson-openstack)]

Change abandoned by Maru Newby (<email address hidden>) on branch: master
Review: https://review.openstack.org/129720
Reason: This change is no longer necessary due to the removal of the excessive debug logging that triggered the problem.