2011-09-21 18:45:13,192 DEBUG nova.utils [-] Attempting to grab semaphore "get_dhcp" for method "_get_dhcp_ip"... from (pid=1144) inner /usr/lib/python2.7/dist-packages/nova/utils.py:672 2011-09-21 18:45:13,196 DEBUG nova.utils [-] Attempting to grab semaphore "ensure_bridge" for method "ensure_bridge"... from (pid=1144) inner /usr/lib/python2.7/dist-packages/nova/utils.py:672 2011-09-21 18:45:13,197 DEBUG nova.utils [-] Attempting to grab file lock "ensure_bridge" for method "ensure_bridge"... from (pid=1144) inner /usr/lib/python2.7/dist-packages/nova/utils.py:677 2011-09-21 18:45:13,197 DEBUG nova.utils [-] Running cmd (subprocess): ip link show dev br100 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,200 DEBUG nova.utils [-] Result was 255 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:180 2011-09-21 18:45:13,201 DEBUG nova.linux_net [-] Starting Bridge interface for eth0 from (pid=1144) ensure_bridge /usr/lib/python2.7/dist-packages/nova/network/linux_net.py:919 2011-09-21 18:45:13,201 DEBUG nova.utils [-] Running cmd (subprocess): sudo brctl addbr br100 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,208 DEBUG nova.utils [-] Running cmd (subprocess): sudo brctl setfd br100 0 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,215 DEBUG nova.utils [-] Running cmd (subprocess): sudo brctl stp br100 off from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,221 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip link set br100 up from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,231 DEBUG nova.utils [-] Running cmd (subprocess): sudo brctl addif br100 eth0 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,240 DEBUG nova.utils [-] Running cmd (subprocess): sudo route -n from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,246 DEBUG nova.utils [-] Running cmd (subprocess): sudo route del default gw 10.55.55.1 dev eth0 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,252 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr show dev eth0 scope global from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,258 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr del 10.55.55.3/24 brd 10.55.55.255 scope global dev eth0 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,266 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr add 10.55.55.3/24 brd 10.55.55.255 scope global dev br100 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,272 DEBUG nova.utils [-] Running cmd (subprocess): sudo route add default gw 10.55.55.1 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,279 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr show dev br100 scope global from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,285 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr del 10.55.55.3/24 brd 10.55.55.255 scope global dev br100 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,293 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr add 10.55.55.20/24 brd 10.55.55.255 dev br100 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,300 DEBUG nova.utils [-] Running cmd (subprocess): sudo ip addr add 10.55.55.3/24 brd 10.55.55.255 scope global dev br100 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,306 DEBUG nova.utils [-] Attempting to grab semaphore "dnsmasq_start" for method "update_dhcp"... from (pid=1144) inner /usr/lib/python2.7/dist-packages/nova/utils.py:672 2011-09-21 18:45:13,338 DEBUG nova.utils [-] Running cmd (subprocess): cat /proc/9545/cmdline from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,341 DEBUG nova.utils [-] Result was 1 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:180 2011-09-21 18:45:13,341 DEBUG nova.linux_net [-] Pid 9545 is stale, relaunching dnsmasq from (pid=1144) update_dhcp /usr/lib/python2.7/dist-packages/nova/network/linux_net.py:614 2011-09-21 18:45:13,342 DEBUG nova.utils [-] Running cmd (subprocess): sudo FLAGFILE=/etc/nova/nova.conf NETWORK_ID=1 dnsmasq --strict-order --bind-interfaces --conf-file= --domain=novalocal --pid-file=/var/lib/nova/networks/nova-br100.pid --listen-address=10.55.55.20 --except-interface=lo --dhcp-range=10.55.55.2,static,120s --dhcp-lease-max=256 --dhcp-hostsfile=/var/lib/nova/networks/nova-br100.conf --dhcp-script=/usr/bin/nova-dhcpbridge --leasefile-ro from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:165 2011-09-21 18:45:13,844 DEBUG nova.utils [-] Result was 11 from (pid=1144) execute /usr/lib/python2.7/dist-packages/nova/utils.py:180 2011-09-21 18:45:13,845 CRITICAL nova [-] Unexpected error while running command. Command: sudo FLAGFILE=/etc/nova/nova.conf NETWORK_ID=1 dnsmasq --strict-order --bind-interfaces --conf-file= --domain=novalocal --pid-file=/var/lib/nova/networks/nova-br100.pid --listen-address=10.55.55.20 --except-interface=lo --dhcp-range=10.55.55.2,static,120s --dhcp-lease-max=256 --dhcp-hostsfile=/var/lib/nova/networks/nova-br100.conf --dhcp-script=/usr/bin/nova-dhcpbridge --leasefile-ro Exit code: 11 Stdout: '' Stderr: '/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py:8: UserWarning: Module paste was already imported from None, but /usr/lib/python2.7/dist-packages is being added to sys.path\n import pkg_resources\n\ndnsmasq: lease-init script returned exit code 1\n' (nova): TRACE: Traceback (most recent call last): (nova): TRACE: File "/usr/bin/nova-network", line 49, in (nova): TRACE: service.wait() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 357, in wait (nova): TRACE: _launcher.wait() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 107, in wait (nova): TRACE: service.wait() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 166, in wait (nova): TRACE: return self._exit_event.wait() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait (nova): TRACE: return hubs.get_hub().switch() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 177, in switch (nova): TRACE: return self.greenlet.switch() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in main (nova): TRACE: result = function(*args, **kwargs) (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 77, in run_server (nova): TRACE: server.start() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 137, in start (nova): TRACE: self.manager.init_host() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 957, in init_host (nova): TRACE: super(FlatDHCPManager, self).init_host() (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 370, in init_host (nova): TRACE: self._setup_network(ctxt, network) (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 971, in _setup_network (nova): TRACE: self.driver.update_dhcp(context, dev, network_ref) (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 685, in inner (nova): TRACE: retval = f(*args, **kwargs) (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 637, in update_dhcp (nova): TRACE: _execute(*cmd, run_as_root=True) (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 735, in _execute (nova): TRACE: return utils.execute(*cmd, **kwargs) (nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 188, in execute (nova): TRACE: cmd=' '.join(cmd)) (nova): TRACE: ProcessExecutionError: Unexpected error while running command. (nova): TRACE: Command: sudo FLAGFILE=/etc/nova/nova.conf NETWORK_ID=1 dnsmasq --strict-order --bind-interfaces --conf-file= --domain=novalocal --pid-file=/var/lib/nova/networks/nova-br100.pid --listen-address=10.55.55.20 --except-interface=lo --dhcp-range=10.55.55.2,static,120s --dhcp-lease-max=256 --dhcp-hostsfile=/var/lib/nova/networks/nova-br100.conf --dhcp-script=/usr/bin/nova-dhcpbridge --leasefile-ro (nova): TRACE: Exit code: 11 (nova): TRACE: Stdout: '' (nova): TRACE: Stderr: '/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py:8: UserWarning: Module paste was already imported from None, but /usr/lib/python2.7/dist-packages is being added to sys.path\n import pkg_resources\n\ndnsmasq: lease-init script returned exit code 1\n' (nova): TRACE: