sudo tail -f /var/log/nova/nova-network.log
2011-10-28 20:52:46,810 DEBUG nova.utils [-] Attempting to grab semaphore "iptables" for method "apply"... from (pid=2419) inner /usr/lib/python2.7/dist-packages/nova/utils.py:675
2011-10-28 20:52:46,811 DEBUG nova.utils [-] Attempting to grab file lock "iptables" for method "apply"... from (pid=2419) inner /usr/lib/python2.7/dist-packages/nova/utils.py:680
2011-10-28 20:52:46,811 DEBUG nova.utils [-] Running cmd (subprocess): sudo iptables-save -t filter from (pid=2419) execute /usr/lib/python2.7/dist-packages/nova/utils.py:168
2011-10-28 20:52:46,876 DEBUG nova.utils [-] Running cmd (subprocess): sudo iptables-restore from (pid=2419) execute /usr/lib/python2.7/dist-packages/nova/utils.py:168
2011-10-28 20:52:46,892 DEBUG nova.utils [-] Running cmd (subprocess): sudo iptables-save -t nat from (pid=2419) execute /usr/lib/python2.7/dist-packages/nova/utils.py:168
2011-10-28 20:52:46,915 DEBUG nova.utils [-] Running cmd (subprocess): sudo iptables-restore from (pid=2419) execute /usr/lib/python2.7/dist-packages/nova/utils.py:168
2011-10-28 20:52:46,930 DEBUG nova.utils [-] Attempting to grab semaphore "dnsmasq_start" for method "update_dhcp"... from (pid=2419) inner /usr/lib/python2.7/dist-packages/nova/utils.py:675
2011-10-28 20:52:46,981 DEBUG nova.utils [-] Running cmd (subprocess): cat /proc/6569/cmdline from (pid=2419) execute /usr/lib/python2.7/dist-packages/nova/utils.py:168
2011-10-28 20:52:47,000 DEBUG nova.utils [-] Running cmd (subprocess): sudo kill -HUP 6569 from (pid=2419) execute /usr/lib/python2.7/dist-packages/nova/utils.py:168
2011-10-28 20:52:47,104 DEBUG nova.utils [-] Attempting to grab semaphore "get_dhcp" for method "_get_dhcp_ip"... from (pid=2419) inner /usr/lib/python2.7/dist-packages/nova/utils.py:675