On Wed, Jun 08, 2016 at 06:45:25PM +0800, Benli Ye wrote:
> It is meaningful for user to check the stats of IPFIX.
> Using IPFIX stats, user can know how much flows the system
> can support. It is also can be used for performance check
> of IPFIX.

Thanks for posting v3!

I think that this is close.  I suggest folding in the appended
incremental change.

I get test failures with this applied.  I'm attaching them.  Can you
take a look?

Thanks,

Ben.

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index 489933e..747c5bc 100644
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -1362,7 +1362,7 @@ struct ofproto_class {
             *flow_exporters_options, size_t n_flow_exporters_options);
 
     /*
-     * Get IPFIX stats on 'ofproto' according to the exporter of birdge
+     * Get IPFIX stats on 'ofproto' according to the exporter of bridge
      * IPFIX or flow based IPFIX.
      *
      * OFPERR_NXST_NOT_CONFIGURED as a return value indicates that bridge
diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
index b53fe8e..9ec47a1 100644
--- a/utilities/ovs-ofctl.8.in
+++ b/utilities/ovs-ofctl.8.in
@@ -264,13 +264,13 @@ This command uses an Open vSwitch extension that is only 
in Open
 vSwitch 2.6 and later.
 .
 .IP "\fBdump\-ipfix\-flow \fIswitch
-Prints to the console the statistics of flow based IPFIX for
-\fIswitch\fR.  If flow based IPFIX is configured on the \fIswitch\fR,
+Prints to the console the statistics of flow-based IPFIX for
+\fIswitch\fR.  If flow-based IPFIX is configured on the \fIswitch\fR,
 statistics of all the collector set ids on the \fIswitch\fR will be
 printed.  Otherwise, print error message.
 .IP
-Refer to ovs-vswitchd.conf.db(8) for more details on configuring flow
-based IPFIX and collector set id.
+Refer to \fBovs-vswitchd.conf.db\fR(5) for more details on configuring
+flow-based IPFIX and collector set ids.
 .IP
 This command uses an Open vSwitch extension that is only in Open
 vSwitch 2.6 and later.
@@ -2322,7 +2322,7 @@ When sending samples to IPFIX collectors, the unsigned 
32-bit integer
 Observation Point ID sent in every IPFIX flow record.  Defaults to 0.
 .RE
 .IP
-Refer to \fBovs\-vswitchd.conf.db\fR(8) for more details on
+Refer to \fBovs\-vswitchd.conf.db\fR(5) for more details on
 configuring sample collector sets.
 .IP
 This action was added in Open vSwitch 1.10.90.
#                             -*- compilation -*-
1046. ofproto-dpif.at:5830: testing ofproto-dpif - Bridge IPFIX statistics 
check ...
../../tests/ofproto-dpif.at:5831: ovsdb-tool create conf.db 
$abs_top_srcdir/vswitchd/vswitch.ovsschema
../../tests/ofproto-dpif.at:5831: ovsdb-server --detach --no-chdir --pidfile 
--log-file --remote=punix:$OVS_RUNDIR/db.sock
stderr:
2016-06-09T21:32:37Z|00001|vlog|INFO|opened log file 
/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/ovsdb-server.log
../../tests/ofproto-dpif.at:5831: sed < stderr '
/vlog|INFO|opened log file/d
/ovsdb_server|INFO|ovsdb-server (Open vSwitch)/d'
../../tests/ofproto-dpif.at:5831: ovs-vsctl --no-wait init
../../tests/ofproto-dpif.at:5831: ovs-vswitchd --enable-dummy --disable-system  
--detach --no-chdir --pidfile --log-file -vvconn -vofproto_dpif -vunixctl
stderr:
2016-06-09T21:32:37Z|00001|vlog|INFO|opened log file 
/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/ovs-vswitchd.log
2016-06-09T21:32:37Z|00002|ovs_numa|INFO|Discovered 8 CPU cores on NUMA node 0
2016-06-09T21:32:37Z|00003|ovs_numa|INFO|Discovered 1 NUMA nodes and 8 CPU cores
2016-06-09T21:32:37Z|00004|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/db.sock:
 connecting...
2016-06-09T21:32:37Z|00005|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/db.sock:
 connected
../../tests/ofproto-dpif.at:5831: sed < stderr '
/ovs_numa|INFO|Discovered /d
/vlog|INFO|opened log file/d
/vswitchd|INFO|ovs-vswitchd (Open vSwitch)/d
/reconnect|INFO|/d
/ofproto|INFO|using datapath ID/d
/netdev_linux|INFO|.*device has unknown hardware address family/d
/ofproto|INFO|datapath ID changed to fedcba9876543210/d
/dpdk|INFO|DPDK Disabled - to change this requires a restart./d'
../../tests/ofproto-dpif.at:5831: add_of_br 0  
ovs-vsctl -- add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1 -- 
add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2
../../tests/ofproto-dpif.at:5835: ovs-ofctl dump-ipfix-bridge br0
../../tests/ofproto-dpif.at:5841: ovs-vsctl -- set bridge br0 ipfix=@fix -- \
                    --id=@fix create ipfix targets=\"127.0.0.1:4739\" \
                              sampling=1
stdout:
c2b8fc05-828a-4b75-b3f3-b7baaabd4f0d
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5847: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5851: ovs-ofctl dump-ipfix-bridge br0
--- -   2016-06-09 14:32:37.914766248 -0700
+++ /home/blp/nicira/ovs/_build/tests/testsuite.dir/at-groups/1046/stdout       
2016-06-09 14:32:37.910580357 -0700
@@ -1,4 +1,4 @@
 NXST_IPFIX_BRIDGE reply (xid=0x2):
-  bridge ipfix: flows=20, current flows=0, sampled pkts=20, ipv4 ok=0, ipv6 
ok=0, tx pkts=12
-                pkts errs=20, ipv4 errs=20, ipv6 errs=0, tx errs=12
+  bridge ipfix: flows=20, current flows=0, sampled pkts=20, ipv4 ok=0, ipv6 
ok=0, tx pkts=10
+                pkts errs=20, ipv4 errs=20, ipv6 errs=0, tx errs=10
 
ovsdb-server.log:
> 2016-06-09T21:32:37.833Z|00001|vlog|INFO|opened log file 
> /home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/ovsdb-server.log
> 2016-06-09T21:32:37.836Z|00002|ovsdb_server|INFO|ovsdb-server (Open vSwitch) 
> 2.5.90
ovs-vswitchd.log:
> 2016-06-09T21:32:37.845Z|00001|vlog|INFO|opened log file 
> /home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/ovs-vswitchd.log
> 2016-06-09T21:32:37.845Z|00002|ovs_numa|INFO|Discovered 8 CPU cores on NUMA 
> node 0
> 2016-06-09T21:32:37.845Z|00003|ovs_numa|INFO|Discovered 1 NUMA nodes and 8 
> CPU cores
> 2016-06-09T21:32:37.846Z|00004|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/db.sock:
>  connecting...
> 2016-06-09T21:32:37.846Z|00005|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/db.sock:
>  connected
> 2016-06-09T21:32:37.848Z|00006|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.5.90
> 2016-06-09T21:32:37.857Z|00007|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> supports recirculation
> 2016-06-09T21:32:37.857Z|00008|ofproto_dpif|INFO|dummy@ovs-dummy: MPLS label 
> stack length probed as 3
> 2016-06-09T21:32:37.857Z|00009|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> supports unique flow ids
> 2016-06-09T21:32:37.857Z|00010|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_state
> 2016-06-09T21:32:37.857Z|00011|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_zone
> 2016-06-09T21:32:37.857Z|00012|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_mark
> 2016-06-09T21:32:37.857Z|00013|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_label
> 2016-06-09T21:32:37.857Z|00014|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_state_nat
> 2016-06-09T21:32:37.858Z|00015|bridge|INFO|bridge br0: added interface br0 on 
> port 65534
> 2016-06-09T21:32:37.858Z|00016|bridge|INFO|bridge br0: using datapath ID 
> fedcba9876543210
> 2016-06-09T21:32:37.858Z|00017|connmgr|INFO|br0: added service controller 
> "punix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1046/br0.mgmt"
> 2016-06-09T21:32:37.863Z|00018|bridge|INFO|bridge br0: added interface p2 on 
> port 2
> 2016-06-09T21:32:37.863Z|00019|bridge|INFO|bridge br0: added interface p1 on 
> port 1
> 2016-06-09T21:32:37.865Z|00020|vconn|DBG|unix: sent (Success): OFPT_HELLO 
> (OF1.6) (xid=0x1):
>  version bitmap: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
> 2016-06-09T21:32:37.865Z|00021|vconn|DBG|unix: received: OFPT_HELLO (xid=0x1):
>  version bitmap: 0x01
> 2016-06-09T21:32:37.865Z|00022|vconn|DBG|unix: negotiated OpenFlow version 
> 0x01 (we support version 0x07 and earlier, peer supports version 0x01)
> 2016-06-09T21:32:37.865Z|00023|vconn|DBG|unix: received: NXST_IPFIX_BRIDGE 
> request (xid=0x2):
> 2016-06-09T21:32:37.865Z|00024|connmgr|INFO|br0<->unix: sending 
> NXST_NOT_CONFIGURED error reply to NXST_IPFIX_BRIDGE request message
> 2016-06-09T21:32:37.865Z|00025|vconn|DBG|unix: sent (Success): OFPT_ERROR 
> (xid=0x2): NXST_NOT_CONFIGURED
> NXST_IPFIX_BRIDGE request (xid=0x2):
> 2016-06-09T21:32:37.886Z|00026|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.886Z|00027|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.888Z|00028|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.888Z|00029|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.888Z|00030|collectors|WARN|127.0.0.1:37675<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:37.889Z|00031|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.889Z|00032|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.890Z|00033|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.890Z|00034|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.891Z|00035|collectors|WARN|127.0.0.1:37675<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:37.892Z|00036|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.892Z|00037|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.893Z|00038|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.893Z|00039|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.893Z|00040|collectors|WARN|127.0.0.1:37675<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:37.894Z|00041|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.894Z|00042|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.896Z|00043|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.896Z|00044|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.896Z|00045|collectors|WARN|127.0.0.1:37675<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:37.897Z|00046|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.897Z|00047|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.898Z|00048|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.898Z|00049|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.899Z|00050|collectors|WARN|127.0.0.1:37675<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:37.900Z|00051|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.900Z|00052|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.901Z|00053|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.901Z|00054|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.902Z|00055|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.902Z|00056|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.904Z|00057|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.904Z|00058|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.905Z|00059|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.905Z|00060|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.906Z|00061|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.906Z|00062|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.907Z|00063|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.907Z|00064|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.909Z|00065|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.909Z|00066|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.910Z|00067|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.910Z|00068|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.912Z|00069|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:37.912Z|00070|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:37.913Z|00071|vconn|DBG|unix: sent (Success): OFPT_HELLO 
> (OF1.6) (xid=0x2):
>  version bitmap: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
> 2016-06-09T21:32:37.913Z|00072|vconn|DBG|unix: received: OFPT_HELLO (xid=0x1):
>  version bitmap: 0x01
> 2016-06-09T21:32:37.913Z|00073|vconn|DBG|unix: negotiated OpenFlow version 
> 0x01 (we support version 0x07 and earlier, peer supports version 0x01)
> 2016-06-09T21:32:37.913Z|00074|vconn|DBG|unix: received: NXST_IPFIX_BRIDGE 
> request (xid=0x2):
> 2016-06-09T21:32:37.913Z|00075|vconn|DBG|unix: sent (Success): 
> NXST_IPFIX_BRIDGE reply (xid=0x2):
>   bridge ipfix: flows=20, current flows=0, sampled pkts=20, ipv4 ok=0, ipv6 
> ok=0, tx pkts=10
>                 pkts errs=20, ipv4 errs=20, ipv6 errs=0, tx errs=10
1046. ofproto-dpif.at:5830: 1046. ofproto-dpif - Bridge IPFIX statistics check 
(ofproto-dpif.at:5830): FAILED (ofproto-dpif.at:5851)
#                             -*- compilation -*-
1048. ofproto-dpif.at:5922: testing ofproto-dpif - Flow IPFIX statistics check 
...
../../tests/ofproto-dpif.at:5923: ovsdb-tool create conf.db 
$abs_top_srcdir/vswitchd/vswitch.ovsschema
../../tests/ofproto-dpif.at:5923: ovsdb-server --detach --no-chdir --pidfile 
--log-file --remote=punix:$OVS_RUNDIR/db.sock
stderr:
2016-06-09T21:32:37Z|00001|vlog|INFO|opened log file 
/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/ovsdb-server.log
../../tests/ofproto-dpif.at:5923: sed < stderr '
/vlog|INFO|opened log file/d
/ovsdb_server|INFO|ovsdb-server (Open vSwitch)/d'
../../tests/ofproto-dpif.at:5923: ovs-vsctl --no-wait init
../../tests/ofproto-dpif.at:5923: ovs-vswitchd --enable-dummy --disable-system  
--detach --no-chdir --pidfile --log-file -vvconn -vofproto_dpif -vunixctl
stderr:
2016-06-09T21:32:37Z|00001|vlog|INFO|opened log file 
/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/ovs-vswitchd.log
2016-06-09T21:32:37Z|00002|ovs_numa|INFO|Discovered 8 CPU cores on NUMA node 0
2016-06-09T21:32:37Z|00003|ovs_numa|INFO|Discovered 1 NUMA nodes and 8 CPU cores
2016-06-09T21:32:37Z|00004|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/db.sock:
 connecting...
2016-06-09T21:32:37Z|00005|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/db.sock:
 connected
../../tests/ofproto-dpif.at:5923: sed < stderr '
/ovs_numa|INFO|Discovered /d
/vlog|INFO|opened log file/d
/vswitchd|INFO|ovs-vswitchd (Open vSwitch)/d
/reconnect|INFO|/d
/ofproto|INFO|using datapath ID/d
/netdev_linux|INFO|.*device has unknown hardware address family/d
/ofproto|INFO|datapath ID changed to fedcba9876543210/d
/dpdk|INFO|DPDK Disabled - to change this requires a restart./d'
../../tests/ofproto-dpif.at:5923: add_of_br 0  
ovs-vsctl -- add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1 -- 
add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2
../../tests/ofproto-dpif.at:5927: ovs-ofctl dump-ipfix-flow br0
../../tests/ofproto-dpif.at:5933: ovs-vsctl list bridge br0
stdout:
_uuid               : eaf36d83-5248-40eb-8cb2-986fb29dd36c
auto_attach         : []
controller          : []
datapath_id         : "fedcba9876543210"
datapath_type       : dummy
datapath_version    : "<built-in>"
external_ids        : {}
fail_mode           : secure
flood_vlans         : []
flow_tables         : {}
ipfix               : []
mcast_snooping_enable: false
mirrors             : []
name                : "br0"
netflow             : []
other_config        : {datapath-id="fedcba9876543210", 
hwaddr="aa:55:aa:55:00:00"}
ports               : [8058cf59-6e3c-43a3-a885-390646047f16, 
8651ca7b-1368-4112-8e3d-93f18bece25f, d5bea39b-b239-4330-a275-b4c43c4fef21]
protocols           : ["OpenFlow10", "OpenFlow11", "OpenFlow12", "OpenFlow13", 
"OpenFlow14", "OpenFlow15", "OpenFlow16"]
rstp_enable         : false
rstp_status         : {}
sflow               : []
status              : {}
stp_enable          : false
../../tests/ofproto-dpif.at:5936: ovs-vsctl -- create Flow_Sample_Collector_Set 
id=1 bridge=$bridge_uuid
stdout:
c0e816b8-6849-4608-8707-ce943d17a4cb
../../tests/ofproto-dpif.at:5941: ovs-vsctl -- set Flow_Sample_Collector_Set 
$collector_set_uuid ipfix=@i -- \
          --id=@i create IPFIX targets=\"127.0.0.1:4739\"
stdout:
1f457760-74d9-4309-8a59-0b39d9bd3a0a
../../tests/ofproto-dpif.at:5948: ovs-ofctl add-flows br0 flows.txt
stdout:
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5952: ovs-appctl netdev-dummy/receive p1 
'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)'
../../tests/ofproto-dpif.at:5956: ovs-ofctl dump-ipfix-flow br0
--- -   2016-06-09 14:32:38.048294941 -0700
+++ /home/blp/nicira/ovs/_build/tests/testsuite.dir/at-groups/1048/stdout       
2016-06-09 14:32:38.042580362 -0700
@@ -1,4 +1,4 @@
 NXST_IPFIX_FLOW reply (xid=0x2): 1 ids
-  id   1: flows=20, current flows=0, sampled pkts=20, ipv4 ok=0, ipv6 ok=0, tx 
pkts=12
-          pkts errs=20, ipv4 errs=20, ipv6 errs=0, tx errs=12
+  id   1: flows=20, current flows=0, sampled pkts=20, ipv4 ok=0, ipv6 ok=0, tx 
pkts=10
+          pkts errs=20, ipv4 errs=20, ipv6 errs=0, tx errs=10
 
ovsdb-server.log:
> 2016-06-09T21:32:37.957Z|00001|vlog|INFO|opened log file 
> /home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/ovsdb-server.log
> 2016-06-09T21:32:37.959Z|00002|ovsdb_server|INFO|ovsdb-server (Open vSwitch) 
> 2.5.90
ovs-vswitchd.log:
> 2016-06-09T21:32:37.968Z|00001|vlog|INFO|opened log file 
> /home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/ovs-vswitchd.log
> 2016-06-09T21:32:37.968Z|00002|ovs_numa|INFO|Discovered 8 CPU cores on NUMA 
> node 0
> 2016-06-09T21:32:37.968Z|00003|ovs_numa|INFO|Discovered 1 NUMA nodes and 8 
> CPU cores
> 2016-06-09T21:32:37.968Z|00004|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/db.sock:
>  connecting...
> 2016-06-09T21:32:37.968Z|00005|reconnect|INFO|unix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/db.sock:
>  connected
> 2016-06-09T21:32:37.971Z|00006|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.5.90
> 2016-06-09T21:32:37.980Z|00007|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> supports recirculation
> 2016-06-09T21:32:37.980Z|00008|ofproto_dpif|INFO|dummy@ovs-dummy: MPLS label 
> stack length probed as 3
> 2016-06-09T21:32:37.980Z|00009|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> supports unique flow ids
> 2016-06-09T21:32:37.980Z|00010|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_state
> 2016-06-09T21:32:37.980Z|00011|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_zone
> 2016-06-09T21:32:37.980Z|00012|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_mark
> 2016-06-09T21:32:37.980Z|00013|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_label
> 2016-06-09T21:32:37.980Z|00014|ofproto_dpif|INFO|dummy@ovs-dummy: Datapath 
> does not support ct_state_nat
> 2016-06-09T21:32:37.980Z|00015|bridge|INFO|bridge br0: added interface br0 on 
> port 65534
> 2016-06-09T21:32:37.980Z|00016|bridge|INFO|bridge br0: using datapath ID 
> fedcba9876543210
> 2016-06-09T21:32:37.980Z|00017|connmgr|INFO|br0: added service controller 
> "punix:/home/blp/nicira/ovs/_build/tests/testsuite.dir/1048/br0.mgmt"
> 2016-06-09T21:32:37.986Z|00018|bridge|INFO|bridge br0: added interface p2 on 
> port 2
> 2016-06-09T21:32:37.986Z|00019|bridge|INFO|bridge br0: added interface p1 on 
> port 1
> 2016-06-09T21:32:37.988Z|00020|vconn|DBG|unix: sent (Success): OFPT_HELLO 
> (OF1.6) (xid=0x1):
>  version bitmap: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
> 2016-06-09T21:32:37.988Z|00021|vconn|DBG|unix: received: OFPT_HELLO (xid=0x1):
>  version bitmap: 0x01
> 2016-06-09T21:32:37.988Z|00022|vconn|DBG|unix: negotiated OpenFlow version 
> 0x01 (we support version 0x07 and earlier, peer supports version 0x01)
> 2016-06-09T21:32:37.988Z|00023|vconn|DBG|unix: received: NXST_IPFIX_FLOW 
> request (xid=0x2):
> 2016-06-09T21:32:37.988Z|00024|connmgr|INFO|br0<->unix: sending 
> NXST_NOT_CONFIGURED error reply to NXST_IPFIX_FLOW request message
> 2016-06-09T21:32:37.988Z|00025|vconn|DBG|unix: sent (Success): OFPT_ERROR 
> (xid=0x2): NXST_NOT_CONFIGURED
> NXST_IPFIX_FLOW request (xid=0x2):
> 2016-06-09T21:32:38.005Z|00026|vconn|DBG|unix: sent (Success): OFPT_HELLO 
> (OF1.6) (xid=0x2):
>  version bitmap: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
> 2016-06-09T21:32:38.005Z|00027|vconn|DBG|unix: received: OFPT_HELLO (xid=0x1):
>  version bitmap: 0x01
> 2016-06-09T21:32:38.005Z|00028|vconn|DBG|unix: negotiated OpenFlow version 
> 0x01 (we support version 0x07 and earlier, peer supports version 0x01)
> 2016-06-09T21:32:38.005Z|00029|vconn|DBG|unix: received: OFPT_FLOW_MOD 
> (xid=0x2): ADD in_port=1 
> actions=sample(probability=65535,collector_set_id=1,obs_domain_id=0,obs_point_id=0),output:2
> 2016-06-09T21:32:38.005Z|00030|vconn|DBG|unix: received: OFPT_BARRIER_REQUEST 
> (xid=0x3):
> 2016-06-09T21:32:38.005Z|00031|vconn|DBG|unix: sent (Success): 
> OFPT_BARRIER_REPLY (xid=0x3):
> 2016-06-09T21:32:38.006Z|00032|connmgr|INFO|br0<->unix: 1 flow_mods in the 
> last 0 s (1 adds)
> 2016-06-09T21:32:38.021Z|00033|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.021Z|00034|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.023Z|00035|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.023Z|00036|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.023Z|00037|collectors|WARN|127.0.0.1:48220<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:38.024Z|00038|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.024Z|00039|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.025Z|00040|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.025Z|00041|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.025Z|00042|collectors|WARN|127.0.0.1:48220<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:38.027Z|00043|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.027Z|00044|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.028Z|00045|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.028Z|00046|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.028Z|00047|collectors|WARN|127.0.0.1:48220<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:38.029Z|00048|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.029Z|00049|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.030Z|00050|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.031Z|00051|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.031Z|00052|collectors|WARN|127.0.0.1:48220<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:38.032Z|00053|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.032Z|00054|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.033Z|00055|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.033Z|00056|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.033Z|00057|collectors|WARN|127.0.0.1:48220<->127.0.0.1:4739:
>  sending to collector failed (Connection refused)
> 2016-06-09T21:32:38.034Z|00058|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.034Z|00059|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.036Z|00060|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.036Z|00061|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.037Z|00062|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.037Z|00063|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.038Z|00064|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.038Z|00065|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.039Z|00066|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.039Z|00067|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.041Z|00068|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.041Z|00069|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.042Z|00070|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.042Z|00071|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.043Z|00072|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.043Z|00073|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.044Z|00074|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.044Z|00075|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.045Z|00076|unixctl|DBG|received request 
> netdev-dummy/receive["p1","in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)"],
>  id=0
> 2016-06-09T21:32:38.045Z|00077|unixctl|DBG|replying with success, id=0: ""
> 2016-06-09T21:32:38.047Z|00078|vconn|DBG|unix: sent (Success): OFPT_HELLO 
> (OF1.6) (xid=0x3):
>  version bitmap: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
> 2016-06-09T21:32:38.047Z|00079|vconn|DBG|unix: received: OFPT_HELLO (xid=0x1):
>  version bitmap: 0x01
> 2016-06-09T21:32:38.047Z|00080|vconn|DBG|unix: negotiated OpenFlow version 
> 0x01 (we support version 0x07 and earlier, peer supports version 0x01)
> 2016-06-09T21:32:38.047Z|00081|vconn|DBG|unix: received: NXST_IPFIX_FLOW 
> request (xid=0x2):
> 2016-06-09T21:32:38.047Z|00082|vconn|DBG|unix: sent (Success): 
> NXST_IPFIX_FLOW reply (xid=0x2): 1 ids
>   id   1: flows=20, current flows=0, sampled pkts=20, ipv4 ok=0, ipv6 ok=0, 
> tx pkts=10
>           pkts errs=20, ipv4 errs=20, ipv6 errs=0, tx errs=10
1048. ofproto-dpif.at:5922: 1048. ofproto-dpif - Flow IPFIX statistics check 
(ofproto-dpif.at:5922): FAILED (ofproto-dpif.at:5956)
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