Hello,

I added a bridge (br0) in my physical switch Linux kernel...  and set the
controller IP address as
   ovs-vsctl set-controller 192.168.222.100:6633.

Just to make it clear, my controller is running on a separate machine ..On
the switch, ovs-vsctl show following --

# ./ovs-vsctl show
57928703-e317-4e71-b9b4-d98352c44701
    Bridge "br0"
        Controller "tcp:192.168.222.100:6633"
        Port "br0"
            Interface "br0"
                type: internal

Now, when I start ovs-vswitchd, it crash with segmentation fault (see
attached logs for more detail ...)

015-05-01T18:56:56Z|00059|connmgr|INFO|br0: added service controller
"punix:/usr/local/var/run/openvswitch/br0.mgmt"
2015-05-01T18:56:56Z|00060|connmgr|INFO|br0: added primary controller "tcp:
192.168.222.100:6633"
2015-05-01T18:56:56Z|00061|rconn|INFO|br0<->tcp:192.168.222.100:6633:
reconnect()==>connecting...
2015-05-01T18:56:56Z|00062|rconn|DBG|br0<->tcp:192.168.222.100:6633:
entering CONNECTING
2015-05-01T18:56:56Z|00063|socket_util_unix|DBG|br0: ioctl(SIOCGIFFLAGS)
failed: No such device
2015-05-01T18:56:56Z|00001|daemon_unix|ERR|fork child died before signaling
startup (killed (Segmentation fault))
ovs-vswitchd: could not detach from foreground session


-- What am I doing wrong here and what else is missing ..?

Thanks
Vipin Garg
/data2 # ./ovs-vswitchd  --verbose --pidfile --detach
2015-05-01T06:40:03Z|00001|daemon_unix|DBG|/usr/local/var/run/openvswitch/ovs-vswitchd.pid:
 deleted stale pidfile
2015-05-01T06:40:03Z|00002|reconnect|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 entering BACKOFF
2015-05-01T06:40:03Z|00003|ovs_numa|INFO|Discovered 0 NUMA nodes and 0 CPU cores
2015-05-01T06:40:03Z|00004|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
 connecting...
2015-05-01T06:40:03Z|00005|reconnect|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 entering CONNECTING
2015-05-01T06:40:03Z|00006|poll_loop|DBG|wakeup due to [POLLOUT] on fd 13 
(<->/usr/local/var/run/openvswitch/db.sock) at lib/stream-fd.c:151
2015-05-01T06:40:03Z|00007|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
 connected
2015-05-01T06:40:03Z|00008|reconnect|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 entering ACTIVE
2015-05-01T06:40:03Z|00009|jsonrpc|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 send request, method="get_schema", params=["Open_vSwitch"], id=0
2015-05-01T06:40:03Z|00010|jsonrpc|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 send request, method="lock", params=["ovs_vswitchd"], id=1
2015-05-01T06:40:03Z|00011|poll_loop|DBG|wakeup due to [POLLIN] on fd 13 
(<->/usr/local/var/run/openvswitch/db.sock) at lib/stream-fd.c:155
2015-05-01T06:40:03Z|00012|hmap|DBG|lib/shash.c:112: 6 nodes in bucket (8 
nodes, 4 buckets)
2015-05-01T06:40:03Z|00013|jsonrpc|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 received reply, 
result={"name":"Open_vSwitch","tables":{"Mirror":{"columns":{"select_src_port":{"type":{"key":{"type":"uuid","refTable":"Port","refType":"weak"},"min":0,"max":"unlimited"}},"select_dst_port":{"type":{"key":{"type":"uuid","refTable":"Port","refType":"weak"},"min":0,"max":"unlimited"}},"name":{"type":"string"},"output_vlan":{"type":{"key":{"maxInteger":4095,"type":"integer","minInteger":1},"min":0}},"select_vlan":{"type":{"key":{"maxInteger":4095,"type":"integer","minInteger":0},"min":0,"max":4096}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"output_port":{"type":{"key":{"type":"uuid","refTable":"Port","refType":"weak"},"min":0}},"statistics":{"ephemeral":true,"type":{"min":0,"key":"string","value":"integer","max":"unlimited"}},"select_all":{"type":"boolean"}}},"IPFIX":{"columns":{"sampling":{"type":{"key":{"maxInteger":4294967295,"type":"integer","minInteger":1},"min":0}},"targets":{"type":{"key":"string","min":0,"max":"unlimited"}},"obs_domain_id":{"type":{"key":{"maxInteger":4294967295,"type":"integer","minInteger":0},"min":0}},"cache_max_flows":{"type":{"key":{"maxInteger":4294967295,"type":"integer","minInteger":0},"min":0}},"cache_active_timeout":{"type":{"key":{"maxInteger":4200,"type":"integer","minInteger":0},"min":0}},"obs_point_id":{"type":{"key":{"maxInteger":4294967295,"type":"integer","minInteger":0},"min":0}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}}}},"Manager":{"columns":{"max_backoff":{"type":{"key":{"type":"integer","minInteger":1000},"min":0}},"target":{"type":"string"},"is_connected":{"ephemeral":true,"type":"boolean"},"status":{"ephemeral":true,"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"connection_mode":{"type":{"key":{"type":"string","enum":["set",["in-band","out-of-band"]]},"min":0}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"inactivity_probe":{"type":{"key":"integer","min":0}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}}},"indexes":[["target"]]},"AutoAttach":{"columns":{"system_name":{"type":"string"},"mappings":{"type":{"min":0,"key":{"maxInteger":16777215,"type":"integer","minInteger":0},"value":{"maxInteger":4095,"type":"integer","minInteger":0},"max":"unlimited"}},"system_description":{"type":"string"}}},"Controller":{"columns":{"controller_rate_limit":{"type":{"key":{"type":"integer","minInteger":100},"min":0}},"max_backoff":{"type":{"key":{"type":"integer","minInteger":1000},"min":0}},"target":{"type":"string"},"is_connected":{"ephemeral":true,"type":"boolean"},"local_netmask":{"type":{"key":"string","min":0}},"role":{"ephemeral":true,"type":{"key":{"type":"string","enum":["set",["master","other","slave"]]},"min":0}},"local_gateway":{"type":{"key":"string","min":0}},"status":{"ephemeral":true,"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"enable_async_messages":{"type":{"key":"boolean","min":0}},"controller_burst_limit":{"type":{"key":{"type":"integer","minInteger":25},"min":0}},"connection_mode":{"type":{"key":{"type":"string","enum":["set",["in-band","out-of-band"]]},"min":0}},"local_ip":{"type":{"key":"string","min":0}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"inactivity_probe":{"type":{"key":"integer","min":0}}}},"Queue":{"columns":{"dscp":{"type":{"key":{"maxInteger":63,"type":"integer","minInteger":0},"min":0}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}}},"isRoot":true},"Interface":{"columns":{"cfm_mpid":{"type":{"key":"integer","min":0}},"ofport_request":{"type":{"key":{"maxInteger":65279,"type":"integer","minInteger":1},"min":0}},"cfm_health":{"ephemeral":true,"type":{"key":{"maxInteger":100,"type":"integer","minInteger":0},"min":0}},"ofport":{"type":{"key":"integer","min":0}},"link_speed":{"ephemeral":true,"type":{"key":"integer","min":0}},"status":{"ephemeral":true,"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"mtu":{"ephemeral":true,"type":{"key":"integer","min":0}},"cfm_remote_mpids":{"ephemeral":true,"type":{"key":"integer","min":0,"max":"unlimited"}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"link_state":{"ephemeral":true,"type":{"key":{"type":"string","enum":["set",["down","up"]]},"min":0}},"bfd":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"type":{"type":"string"},"duplex":{"ephemeral":true,"type":{"key":{"type":"string","enum":["set",["full","half"]]},"min":0}},"options":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"cfm_fault":{"ephemeral":true,"type":{"key":"boolean","min":0}},"cfm_fault_status":{"ephemeral":true,"type":{"key":"string","min":0,"max":"unlimited"}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"cfm_flap_count":{"type":{"key":"integer","min":0}},"link_resets":{"ephemeral":true,"type":{"key":"integer","min":0}},"mac_in_use":{"ephemeral":true,"type":{"key":"string","min":0}},"statistics":{"ephemeral":true,"type":{"min":0,"key":"string","value":"integer","max":"unlimited"}},"bfd_status":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"error":{"type":{"key":"string","min":0}},"admin_state":{"ephemeral":true,"type":{"key":{"type":"string","enum":["set",["down","up"]]},"min":0}},"name":{"mutable":false,"type":"string"},"ingress_policing_rate":{"type":{"key":{"type":"integer","minInteger":0}}},"mac":{"type":{"key":"string","min":0}},"cfm_remote_opstate":{"ephemeral":true,"type":{"key":{"type":"string","enum":["set",["down","up"]]},"min":0}},"ifindex":{"ephemeral":true,"type":{"key":{"maxInteger":4294967295,"type":"integer","minInteger":0},"min":0}},"ingress_policing_burst":{"type":{"key":{"type":"integer","minInteger":0}}},"lldp":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"lacp_current":{"ephemeral":true,"type":{"key":"boolean","min":0}}},"indexes":[["name"]]},"Open_vSwitch":{"maxRows":1,"columns":{"ovs_version":{"type":{"key":"string","min":0}},"cur_cfg":{"type":"integer"},"ssl":{"type":{"key":{"type":"uuid","refTable":"SSL"},"min":0}},"iface_types":{"type":{"key":"string","min":0,"max":"unlimited"}},"manager_options":{"type":{"key":{"type":"uuid","refTable":"Manager"},"min":0,"max":"unlimited"}},"bridges":{"type":{"key":{"type":"uuid","refTable":"Bridge"},"min":0,"max":"unlimited"}},"system_version":{"type":{"key":"string","min":0}},"db_version":{"type":{"key":"string","min":0}},"datapath_types":{"type":{"key":"string","min":0,"max":"unlimited"}},"statistics":{"ephemeral":true,"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"next_cfg":{"type":"integer"},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"system_type":{"type":{"key":"string","min":0}}},"isRoot":true},"Flow_Sample_Collector_Set":{"indexes":[["id","bridge"]],"columns":{"bridge":{"type":{"key":{"type":"uuid","refTable":"Bridge"}}},"ipfix":{"type":{"key":{"type":"uuid","refTable":"IPFIX"},"min":0}},"id":{"type":{"key":{"maxInteger":4294967295,"type":"integer","minInteger":0}}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}}},"isRoot":true},"SSL":{"maxRows":1,"columns":{"ca_cert":{"type":"string"},"certificate":{"type":"string"},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"bootstrap_ca_cert":{"type":"boolean"},"private_key":{"type":"string"}}},"sFlow":{"columns":{"agent":{"type":{"key":"string","min":0}},"polling":{"type":{"key":"integer","min":0}},"sampling":{"type":{"key":"integer","min":0}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"header":{"type":{"key":"integer","min":0}},"targets":{"type":{"key":"string","max":"unlimited"}}}},"QoS":{"columns":{"type":{"type":"string"},"queues":{"type":{"min":0,"key":{"maxInteger":4294967295,"type":"integer","minInteger":0},"value":{"type":"uuid","refTable":"Queue"},"max":"unlimited"}},"external_ids":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}}},"isRoot":true},"Port":{"columns":{"bond_fake_iface":{"type":"boolean"},"interfaces":{"type":{"key":{"type":"uuid","refTable":"Interface"},"max":"unlimited"}},"fake_bridge":{"type":"boolean"},"tag":{"type":{"key":{"maxInteger":4095,"type":"integer","minInteger":0},"min":0}},"vlan_mode":{"type":{"key":{"type":"string","enum":["set",["access","native-tagged","native-untagged","trunk"]]},"min":0}},"trunks":{"type":{"key":{"maxInteger":4095,"type":"integer","minInteger":0},"min":0,"max":4096}},"status":{"ephemeral":true,"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"statistics":{"ephemeral":true,"type":{"min":0,"key":"string","value":"integer","max":"unlimited"}},"other_config":{"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"rstp_statistics":{"ephemeral":true,"type":{"min":0,"key":"string","value":"integer","max":"unlimited"}},"name":{"mutable":false,"type":"string"},"lacp":{"type":{"key":{"type":"string","enum":["set",["active","off","passive"]]},"min":0}},"mac":{"type":{"key":"string","min":0}},"bond_mode":{"type":{"key":{"type":"string","enum":["set",["active-backup","balance-slb","balance-tcp"]]},"min":0}},"qos":{"type":{"key":{"type":"uuid","refTable":"QoS"},"min":0}},"bond_updelay":{"type":"integer"},"bond_active_slave":{"type":{"key":"string","min":0}},"rstp_status":{"ephemeral":true,"type":{"min":0,"key":"string","value":"string","max":"unlimited"}},"external_ids":{"type":{"min":0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 22535","version":"7.12.1"}, id=0
2015-05-01T06:40:04Z|00014|hmap|DBG|lib/sset.c:53: 6 nodes in bucket (8 nodes, 
4 buckets)
2015-05-01T06:40:04Z|00015|jsonrpc|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 send request, method="monitor", 
params=["Open_vSwitch",null,{"IPFIX":{"columns":["cache_active_timeout","cache_max_flows","obs_domain_id","obs_point_id","other_config","sampling","targets"]},"Mirror":{"columns":["name","output_port","output_vlan","select_all","select_dst_port","select_src_port","select_vlan","statistics"]},"Manager":{"columns":["connection_mode","other_config","target"]},"AutoAttach":{"columns":["mappings","system_description","system_name"]},"Controller":{"columns":["connection_mode","controller_burst_limit","controller_rate_limit","enable_async_messages","inactivity_probe","is_connected","local_gateway","local_ip","local_netmask","max_backoff","other_config","role","status","target"]},"Interface":{"columns":["admin_state","bfd","bfd_status","cfm_fault","cfm_fault_status","cfm_flap_count","cfm_health","cfm_mpid","cfm_remote_mpids","cfm_remote_opstate","duplex","error","ifindex","ingress_policing_burst","ingress_policing_rate","lacp_current","link_resets","link_speed","link_state","lldp","mac","mac_in_use","mtu","name","ofport","ofport_request","options","other_config","statistics","status","type"]},"Open_vSwitch":{"columns":["bridges","cur_cfg","datapath_types","iface_types","manager_options","next_cfg","other_config","ssl","statistics"]},"Queue":{"columns":["dscp","other_config"]},"Flow_Sample_Collector_Set":{"columns":["bridge","id","ipfix"]},"SSL":{"columns":["bootstrap_ca_cert","ca_cert","certificate","private_key"]},"sFlow":{"columns":["agent","header","polling","sampling","targets"]},"Port":{"columns":["bond_active_slave","bond_downdelay","bond_fake_iface","bond_mode","bond_updelay","fake_bridge","interfaces","lacp","mac","name","other_config","qos","rstp_statistics","rstp_status","statistics","status","tag","trunks","vlan_mode"]},"QoS":{"columns":["other_config","queues","type"]},"Flow_Table":{"columns":["external_ids","flow_limit","groups","name","overflow_policy","prefixes"]},"NetFlow":{"columns":["active_timeout","add_id_to_interface","engine_id","engine_type","targets"]},"Bridge":{"columns":["auto_attach","controller","datapath_id","datapath_type","datapath_version","fail_mode","flood_vlans","flow_tables","ipfix","mcast_snooping_enable","mirrors","name","netflow","other_config","ports","protocols","rstp_enable","rstp_status","sflow","status","stp_enable"]}}],
 id=2
2015-05-01T06:40:04Z|00016|jsonrpc|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 received reply, result={"locked":true}, id=1
2015-05-01T06:40:04Z|00017|timeval|WARN|Unreasonably long 1344ms poll interval 
(10ms user, 0ms system)
2015-05-01T06:40:04Z|00018|timeval|WARN|faults: 67 minor, 0 major
2015-05-01T06:40:04Z|00019|timeval|WARN|context switches: 4 voluntary, 0 
involuntary
2015-05-01T06:40:04Z|00020|coverage|INFO|Event coverage, avg rate over last: 5 
seconds, last minute, last hour,  hash=803065a0:
2015-05-01T06:40:04Z|00021|coverage|INFO|util_xalloc                0.0/sec     
0.000/sec        0.0000/sec   total: 6431
2015-05-01T06:40:04Z|00022|coverage|INFO|stream_open                0.0/sec     
0.000/sec        0.0000/sec   total: 1
2015-05-01T06:40:04Z|00023|coverage|INFO|pstream_open               0.0/sec     
0.000/sec        0.0000/sec   total: 1
2015-05-01T06:40:04Z|00024|coverage|INFO|poll_create_node           0.0/sec     
0.000/sec        0.0000/sec   total: 18
2015-05-01T06:40:04Z|00025|coverage|INFO|hmap_expand                0.0/sec     
0.000/sec        0.0000/sec   total: 343
2015-05-01T06:40:04Z|00026|coverage|INFO|hmap_pathological          0.0/sec     
0.000/sec        0.0000/sec   total: 2
2015-05-01T06:40:04Z|00027|coverage|INFO|93 events never hit
2015-05-01T06:40:04Z|00028|poll_loop|DBG|wakeup due to [POLLIN] on fd 13 
(<->/usr/local/var/run/openvswitch/db.sock) at lib/stream-fd.c:155
2015-05-01T06:40:04Z|00029|hmap|DBG|lib/shash.c:112: 6 nodes in bucket (8 
nodes, 4 buckets)
2015-05-01T06:40:04Z|00030|jsonrpc|DBG|unix:/usr/local/var/run/openvswitch/db.sock:
 received reply, 
result={"Port":{"7c820f25-8538-4240-8d0a-db153d132cf8":{"new":{"bond_fake_iface":false,"fake_bridge":false,"interfaces":["uuid","1b87f8e9-8c5b-4a56-be1f-3e0e83cb9859"],"tag":["set",[]],"trunks":["set",[]],"vlan_mode":["set",[]],"status":["map",[]],"statistics":["map",[]],"other_config":["map",[]],"rstp_statistics":["map",[]],"name":"br0","lacp":["set",[]],"mac":["set",[]],"bond_mode":["set",[]],"rstp_status":["map",[]],"bond_active_slave":["set",[]],"bond_updelay":0,"qos":["set",[]],"bond_downdelay":0}}},"Controller":{"dee80e50-dcc7-4759-b157-293a38e6a8e5":{"new":{"controller_rate_limit":["set",[]],"max_backoff":["set",[]],"target":"tcp:192.168.222.100:6633","is_connected":false,"local_netmask":["set",[]],"role":["set",[]],"local_gateway":["set",[]],"enable_async_messages":["set",[]],"status":["map",[]],"connection_mode":["set",[]],"controller_burst_limit":["set",[]],"local_ip":["set",[]],"inactivity_probe":["set",[]],"other_config":["map",[]]}}},"Interface":{"1b87f8e9-8c5b-4a56-be1f-3e0e83cb9859":{"new":{"link_resets":["set",[]],"cfm_mpid":["set",[]],"ofport_request":["set",[]],"cfm_health":["set",[]],"ofport":["set",[]],"link_speed":["set",[]],"mac_in_use":["set",[]],"status":["map",[]],"statistics":["map",[]],"mtu":["set",[]],"error":["set",[]],"bfd_status":["map",[]],"link_state":["set",[]],"other_config":["map",[]],"cfm_remote_mpids":["set",[]],"bfd":["map",[]],"type":"internal","duplex":["set",[]],"admin_state":["set",[]],"name":"br0","ingress_policing_rate":0,"mac":["set",[]],"cfm_remote_opstate":["set",[]],"cfm_fault":["set",[]],"options":["map",[]],"cfm_fault_status":["set",[]],"ifindex":["set",[]],"ingress_policing_burst":0,"lldp":["map",[]],"cfm_flap_count":["set",[]],"lacp_current":["set",[]]}}},"Open_vSwitch":{"57928703-e317-4e71-b9b4-d98352c44701":{"new":{"cur_cfg":3,"ssl":["set",[]],"iface_types":["set",["geneve","gre","gre64","internal","ipsec_gre","ipsec_gre64","lisp","patch","system","tap","vxlan"]],"manager_options":["set",[]],"bridges":["uuid","2def7b08-6cdc-4d8f-a739-f578005038a7"],"statistics":["map",[]],"datapath_types":["set",["netdev","system"]],"next_cfg":5,"other_config":["map",[]]}}},"Bridge":{"2def7b08-6cdc-4d8f-a739-f578005038a7":{"new":{"fail_mode":["set",[]],"mcast_snooping_enable":false,"auto_attach":["set",[]],"controller":["uuid","dee80e50-dcc7-4759-b157-293a38e6a8e5"],"datapath_version":"","flow_tables":["map",[]],"mirrors":["set",[]],"sflow":["set",[]],"ipfix":["set",[]],"status":["map",[]],"other_config":["map",[]],"stp_enable":false,"datapath_id":["set",[]],"netflow":["set",[]],"name":"br0","ports":["uuid","7c820f25-8538-4240-8d0a-db153d132cf8"],"flood_vlans":["set",[]],"protocols":["set",[]],"rstp_enable":false,"rstp_status":["map",[]],"datapath_type":""}}}},
 id=2
2015-05-01T06:40:04Z|00035|netlink_socket|DBG|nl_sock_send__ (Success): 
nl(len:21, type=26(family-defined), flags=305[REQUEST][ACK][DUMP], seq=1, 
pid=4294963142
2015-05-01T06:40:04Z|00036|netlink_socket|DBG|nl_sock_recv__ (Success): 
nl(len:56, type=24(family-defined), flags=2[MULTI], seq=1, pid=4294963142
2015-05-01T06:40:04Z|00037|netlink_socket|DBG|nl_sock_recv__ (Success): 
nl(len:24, type=3(done), flags=2[MULTI], seq=1, pid=4294963142 done(0)
2015-05-01T06:40:04Z|00038|ofproto|ERR|ofproto_create:478:: FORTI_OVSDB 
...datapath_type=system
2015-05-01T06:40:04Z|00039|netlink_socket|DBG|nl_sock_transact_multiple__ 
(Success): nl(len:44, type=16(control), flags=1[REQUEST], seq=1, 
pid=1530,genl(cmd=3,version=1)
2015-05-01T06:40:04Z|00040|netlink_socket|DBG|nl_sock_recv__ (Success): 
nl(len:68, type=2(error), flags=0, seq=1, pid=1530 error(-2(No such file or 
directory), in-reply-to(nl(len:44, type=16(control), flags=1[REQUEST], seq=1, 
pid=1530))
2015-05-01T06:40:04Z|00041|netlink_socket|DBG|received NAK error=0 (No such 
file or directory)
2015-05-01T06:40:04Z|00042|dpif_netlink|ERR|Generic Netlink family 
'ovs_datapath' does not exist. The Open vSwitch kernel module is probably not 
loaded.
2015-05-01T06:40:04Z|00043|dpif|WARN|failed to enumerate system datapaths: No 
such file or directory
2015-05-01T06:40:04Z|00044|dpif|WARN|failed to create datapath ovs-system: No 
such file or directory
2015-05-01T06:40:04Z|00045|ofproto_dpif|ERR|failed to open datapath of type 
system: No such file or directory
2015-05-01T06:40:04Z|00046|ofproto|ERR|LINE:543: failed to open datapath br0: 
No such file or directory
2015-05-01T06:40:05Z|00066|connmgr|INFO|br0: added service controller 
"punix:/usr/local/var/run/openvswitch/br0.mgmt"
2015-05-01T06:40:05Z|00067|connmgr|INFO|br0: added primary controller 
"tcp:192.168.222.100:6633"
2015-05-01T06:40:05Z|00068|rconn|INFO|br0<->tcp:192.168.222.100:6633: 
connecting...
2015-05-01T06:40:05Z|00069|rconn|DBG|br0<->tcp:192.168.222.100:6633: entering 
CONNECTING
2015-05-01T06:40:05Z|00070|socket_util_unix|DBG|br0: ioctl(SIOCGIFFLAGS) 
failed: No such device
2015-05-01T06:40:05Z|00001|daemon_unix|ERR|fork child died before signaling 
startup (killed (Segmentation fault))
ovs-vswitchd: could not detach from foreground session
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