Description of problem: I couldn't ping 8.8.8.8 after rebooting machine with nova installed as described in https://fedoraproject.org/wiki/Test_Day:2012-09-18_OpenStack. [root@jh-testday images]# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. ^C --- 8.8.8.8 ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 1000ms [root@jh-testday ~]# tcpdump -i eth0 icmp -n tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 15:04:35.351881 IP 127.0.0.1 > 77.75.76.3: ICMP echo request, id 2215, seq 14, length 64 15:04:36.351892 IP 127.0.0.1 > 77.75.76.3: ICMP echo request, id 2215, seq 15, length 64 15:04:37.351847 IP 127.0.0.1 > 77.75.76.3: ICMP echo request, id 2215, seq 16, length 64 I found that it is caused by _get_my_ip() in /usr/lib/python2.7/site-packages/nova/flags.py. I changed it to def _get_my_ip(): ... csock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) csock.connect(('8.8.8.8', 80)) (addr, port) = csock.getsockname() csock.close() return addr Then, after reboot I got [root@(none) ~]# systemctl status openstack-nova-network.service openstack-nova-network.service - OpenStack Nova Network Server Loaded: loaded (/usr/lib/systemd/system/openstack-nova-network.service; enabled) Active: failed (Result: exit-code) since Tue, 25 Sep 2012 15:33:34 +0200; 8min ago Process: 555 ExecStart=/usr/bin/nova-network --config-file /etc/nova/nova.conf --logfile /var/log/nova/network.log (code=exited, status=1/FAILURE) CGroup: name=systemd:/system/openstack-nova-network.service Sep 25 15:33:39 Linux nova-network[555]: from nova import flags Sep 25 15:33:39 Linux nova-network[555]: File "/usr/lib/python2.7/site-packages/nova/flags.py", line 118, in <module> Sep 25 15:33:39 Linux nova-network[555]: default=_get_my_ip(), Sep 25 15:33:40 Linux nova-network[555]: File "/usr/lib/python2.7/site-packages/nova/flags.py", line 67, in _get_my_ip Sep 25 15:33:40 Linux nova-network[555]: csock.connect(('8.8.8.8', 80)) Sep 25 15:33:40 Linux nova-network[555]: File "/usr/lib/python2.7/site-packages/eventlet/greenio.py", line 167, in connect Sep 25 15:33:40 Linux nova-network[555]: while not socket_connect(fd, address): Sep 25 15:33:40 Linux nova-network[555]: File "/usr/lib/python2.7/site-packages/eventlet/greenio.py", line 37, in socket_connect Sep 25 15:33:40 Linux nova-network[555]: raise socket.error(err, errno.errorcode[err]) Sep 25 15:33:40 Linux nova-network[555]: socket.error: [Errno 101] ENETUNREACH After restarting the service, it then worked fine, as well as ping did. So I guess there are some race conditions with other init scripts. Version-Release number of selected component (if applicable): openstack-nova-network-2012.2-0.9.rc1.fc18.noarch openstack-nova-2012.2-0.9.rc1.fc18.noarch How reproducible: Always Steps to Reproduce: 1. 2. 3. Actual results: Translating src addr of packet to 127.0.0.1 Expected results: No translation of output packet. Additional info: 1) I don't like that it is discovering the listening address this way, not talking about that it is actually rewriting the src of outgoing packet. That's nasty. 2) I'm not sure it is by design, but there is supposed to be DNS on 8.8.8.8, but it tries to connect with datagram socket to port 80.
Note I didn't use quantum
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