I'm getting same behavior. Branch being used is mitaka stable. I installed OVS 2.5 before installing devstack. On running stack.sh, OVS cleanup is successful, however installation gets stuck at:
+lib/neutron_plugins/ovs_base:_neutron_ovs_base_configure_l3_agent:109 sudo ovs-vsctl br-set-external-id br-ex bridge-id br-ex
I'm getting same behavior. Branch being used is mitaka stable. I installed OVS 2.5 before installing devstack. On running stack.sh, OVS cleanup is successful, however installation gets stuck at: plugins/ ovs_base: _neutron_ ovs_base_ configure_ l3_agent: 109 sudo ovs-vsctl br-set-external-id br-ex bridge-id br-ex
+lib/neutron_