It looks like it failed to create the qg- port in br-ex:
From l3-agent log:
2016-09-15 01:17:49.519 18771 DEBUG neutron.agent.ovsdb.impl_idl [-] Running txn command(idx=0): AddPortCommand(bridge=br-ex, may_exist=False, port=qg-b131ae03-60) do_commit /opt/stack/new/neutron/neutron/agent/ovsdb/impl_idl.py:98
2016-09-15 01:17:49.519 18771 DEBUG neutron.agent.ovsdb.impl_idl [-] Running txn command(idx=1): DbSetCommand(table=Interface, col_values=(('type', 'internal'), ('external_ids', {'iface-id': u'b131ae03-6030-41e6-88b4-fe6f8d26da30', 'iface-status': 'active', 'attached-mac': u'fa:16:3e:10:6c:4b'})), record=qg-b131ae03-60) do_commit /opt/stack/new/neutron/neutron/agent/ovsdb/impl_idl.py:98
vswtichd log:
2016-09-15T01:17:49.569Z|00162|netdev_linux|WARN|Dropped 5 log messages in last 12 seconds (most recently, 6 seconds ago) due to excessive rate
2016-09-15T01:17:49.569Z|00163|netdev_linux|WARN|query qg-b131ae03-60 qdisc failed (No such device)
It looks like it failed to create the qg- port in br-ex: agent.ovsdb. impl_idl [-] Running txn command(idx=0): AddPortCommand( bridge= br-ex, may_exist=False, port=qg- b131ae03- 60) do_commit /opt/stack/ new/neutron/ neutron/ agent/ovsdb/ impl_idl. py:98 agent.ovsdb. impl_idl [-] Running txn command(idx=1): DbSetCommand( table=Interface , col_values= (('type' , 'internal'), ('external_ids', {'iface-id': u'b131ae03- 6030-41e6- 88b4-fe6f8d26da 30', 'iface-status': 'active', 'attached-mac': u'fa:16: 3e:10:6c: 4b'})), record= qg-b131ae03- 60) do_commit /opt/stack/ new/neutron/ neutron/ agent/ovsdb/ impl_idl. py:98
From l3-agent log:
2016-09-15 01:17:49.519 18771 DEBUG neutron.
2016-09-15 01:17:49.519 18771 DEBUG neutron.
vswtichd log: 15T01:17: 49.569Z| 00162|netdev_ linux|WARN| Dropped 5 log messages in last 12 seconds (most recently, 6 seconds ago) due to excessive rate 15T01:17: 49.569Z| 00163|netdev_ linux|WARN| query qg-b131ae03-60 qdisc failed (No such device)
2016-09-
2016-09-