2011-07-06 15:31:26,532 DEBUG nova.linux_net [-] Starting VLAN inteface vlan100 from (pid=795) ensure_vlan /usr/lib/pymodules/python2.7/nova/network/linux_net.py:444
2011-07-06 15:31:26,532 DEBUG nova.utils [-] Running cmd (subprocess): sudo vconfig set_name_type VLAN_PLUS_VID_NO_PAD from (pid=795) execute /usr/lib/pymodules/python2.7/nova/utils.py:150
2011-07-06 15:31:26,591 DEBUG nova.utils [-] Running cmd (subprocess): sudo vconfig add eth1 100 from (pid=795) execute /usr/lib/pymodules/python2.7/nova/utils.py:150
2011-07-06 15:31:26,605 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip link set vlan100 up from (pid=795) execute /usr/lib/pymodules/python2.7/nova/utils.py:150
2011-07-06 15:31:26,620 DEBUG nova.utils [-] Result was 2 from (pid=795) execute /usr/lib/pymodules/python2.7/nova/utils.py:166
2011-07-06 15:31:26,621 ERROR nova.exception [-] Uncaught exception
(nova.exception): TRACE: Traceback (most recent call last):
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/exception.py", line 120, in _wrap
(nova.exception): TRACE:     return f(*args, **kw)
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/compute/manager.py", line 225, in run_instance
(nova.exception): TRACE:     instance_id)
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/network/manager.py", line 532, in setup_compute_network
(nova.exception): TRACE:     network_ref['bridge'])
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/network/linux_net.py", line 436, in ensure_vlan_bridge
(nova.exception): TRACE:     interface = ensure_vlan(vlan_num)
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/network/linux_net.py", line 447, in ensure_vlan
(nova.exception): TRACE:     _execute('sudo', 'ip', 'link', 'set', interface, 'up')
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/network/linux_net.py", line 666, in _execute
(nova.exception): TRACE:     return utils.execute(*cmd, **kwargs)
(nova.exception): TRACE:   File "/usr/lib/pymodules/python2.7/nova/utils.py", line 173, in execute
(nova.exception): TRACE:     cmd=' '.join(cmd))
(nova.exception): TRACE: ProcessExecutionError: Unexpected error while running command.
(nova.exception): TRACE: Command: sudo ip link set vlan100 up
(nova.exception): TRACE: Exit code: 2
(nova.exception): TRACE: Stdout: ''
(nova.exception): TRACE: Stderr: 'RTNETLINK answers: Network is down\n'
(nova.exception): TRACE: