Same error.
versionutils.deprecated.NEWTON,
AttributeError: type object 'deprecated' has no attribute 'NEWTON'
+lib/keystone:init_keystone:1 exit_trap
+./stack.sh:exit_trap:480 local r=1
++./stack.sh:exit_trap:481 jobs -p
+./stack.sh:exit_trap:481 jobs=
+./stack.sh:exit_trap:484 [[ -n '' ]]
+./stack.sh:exit_trap:490 kill_spinner
+./stack.sh:kill_spinner:376 '[' '!' -z '' ']'
+./stack.sh:exit_trap:492 [[ 1 -ne 0 ]]
+./stack.sh:exit_trap:493 echo 'Error on exit'
Error on exit
+./stack.sh:exit_trap:494 generate-subunit 1468006084 643 fail
+./stack.sh:exit_trap:495 [[ -z /opt/stack/logs ]]
+./stack.sh:exit_trap:498 /home/stack/devstack/tools/worlddump.py -d /opt/stack/logs
World dumping... see /opt/stack/logs/worlddump-2016-07-08-193847.txt for details
ovs-vsctl: unix:/usr/local/var/run/openvswitch/db.sock: database connection failed (No such file or directory)
ovs-vsctl: unix:/usr/local/var/run/openvswitch/db.sock: database connection failed (No such file or directory)
+./stack.sh:exit_trap:504 exit 1