/var/log/juju/unit-neutron-gateway-0.log

2018-04-20 09:14:07 DEBUG juju-log Interface eno2 is not a Linux bridge
2018-04-20 09:14:07 INFO juju-log Adding port eno2 to bridge br-ex
2018-04-20 09:14:07 INFO juju-log Creating bridge br-physnet2
2018-04-20 09:14:07 DEBUG juju-log Interface veth-br-eno1 is not a Linux bridge
2018-04-20 09:14:07 INFO juju-log Adding port veth-br-eno1 to bridge br-physnet2
2018-04-20 09:14:07 DEBUG config-changed Cannot find device "veth-br-eno1"
2018-04-20 09:14:07 DEBUG config-changed Traceback (most recent call last):
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/config-changed", line 324, in <module>
2018-04-20 09:14:07 DEBUG config-changed     hooks.execute(sys.argv)
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/charmhelpers/core/hookenv.py", line 800, in execute
2018-04-20 09:14:07 DEBUG config-changed     self._hooks[hook_name]()
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/charmhelpers/contrib/openstack/utils.py", line 1449, in wrapped_f
2018-04-20 09:14:07 DEBUG config-changed     restart_functions)
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/charmhelpers/core/host.py", line 730, in restart_on_change_helper
2018-04-20 09:14:07 DEBUG config-changed     r = lambda_f()
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/charmhelpers/contrib/openstack/utils.py", line 1448, in <lambda>
2018-04-20 09:14:07 DEBUG config-changed     (lambda: f(*args, **kwargs)), restart_map, stopstart,
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/charmhelpers/contrib/hardening/harden.py", line 79, in _harden_inner2
2018-04-20 09:14:07 DEBUG config-changed     return f(*args, **kwargs)
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/config-changed", line 128, in config_changed
2018-04-20 09:14:07 DEBUG config-changed     configure_ovs()
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/neutron_utils.py", line 729, in configure_ovs
2018-04-20 09:14:07 DEBUG config-changed     add_bridge_port(br, port, promisc=True)
2018-04-20 09:14:07 DEBUG config-changed   File "/var/lib/juju/agents/unit-neutron-gateway-0/charm/hooks/charmhelpers/contrib/network/ovs/__init__.py", line 64, in add_bridge_port
2018-04-20 09:14:07 DEBUG config-changed     subprocess.check_call(["ip", "link", "set", port, "up"])
2018-04-20 09:14:07 DEBUG config-changed   File "/usr/lib/python3.5/subprocess.py", line 581, in check_call
2018-04-20 09:14:07 DEBUG config-changed     raise CalledProcessError(retcode, cmd)
2018-04-20 09:14:07 DEBUG config-changed subprocess.CalledProcessError: Command '['ip', 'link', 'set', 'veth-br-eno1', 'up']' returned non-zero exit status 1
2018-04-20 09:14:07 ERROR juju.worker.uniter.operation runhook.go:113 hook "config-changed" failed: exit status 1
##########################
^C
root@idrac-H2F1152:~# cat /etc/network/interfaces.d/veth-br-eno1.cfg
# This veth pair is required when neutron data-port is mapped to an existing linux bridge. lp:1635067

auto veth-br-eno1
iface veth-br-eno1 inet manual
    pre-up ip link add name veth-br-eno1 type veth peer name veth-br-physnet2
    pre-up ip link set veth-br-physnet2 master br-eno1
    pre-up ip link set veth-br-physnet2 up
    up ip link set veth-br-eno1 up
    down ip link del veth-br-eno1
root@idrac-H2F1152:~#