Manu,

maybe check what a packet capture tells you.

also, try a full reset of the ovs node. some steps I usually take are like this
in our CSIT code:

  
https://github.com/opendaylight/integration-test/blob/master/csit/libraries/OVSDB.robot#L128-L131

then reconnect things. if things are healthy on the ODL side, netvirt will
recreate your br-int

just throwing out ideas for now. something seems broken. and, no, I don't think 
this is
any known issue with Carbon SR2.

JamO



On 11/20/2017 06:25 PM, [email protected] wrote:
> Hello
> 
> 
> I am working on integrating ODL Carbon SR2 and OpenStack Pike for OPNFV. 
> After deploying, I can not create VM, nova log said
> neutron timed out. So I checked openvswitch log and found the following 
> reconnection seems to be the source of the issue: 
> 
> 
> 2017-11-20T17:08:47.539Z|00058|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connected
> 
> 2017-11-20T17:08:47.541Z|00059|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connection
>  closed by peer
> 
> 2017-11-20T17:08:55.538Z|00060|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connected
> 
> 2017-11-20T17:08:55.540Z|00061|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connection
>  closed by peer
> 
> 2017-11-20T17:09:03.537Z|00062|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connected
> 
> 2017-11-20T17:09:03.539Z|00063|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connection
>  closed by peer
> 
> 2017-11-20T17:09:11.538Z|00064|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connected
> 
> 2017-11-20T17:09:11.540Z|00065|rconn|INFO|br-int<->tcp:192.168.1.105:6653:connection
>  closed by peer
> 
> 
> In the same time, karaf.log shows the following errors:
> 
> 
> 2017-11-21 01:30:55,535 | INFO  | ntLoopGroup-7-33 | ContextChainHolderImpl   
>         | 330 -
> org.opendaylight.openflowplugin.impl - 0.4.2.Carbon | Device 
> openflow:206853503483370 connected.
> 
> 2017-11-21 01:30:55,535 | WARN  | ntLoopGroup-7-33 | ContextChainHolderImpl   
>         | 330 -
> org.opendaylight.openflowplugin.impl - 0.4.2.Carbon | Device 
> openflow:206853503483370 is already trying to connect, wait
> until succeeded or disconnected.
> 
> 2017-11-21 01:31:03,534 | INFO  | ntLoopGroup-7-34 | ConnectionAdapterImpl    
>         | 319 -
> org.opendaylight.openflowjava.openflow-protocol-impl - 0.9.2.Carbon | Hello 
> received
> 
> 2017-11-21 01:31:03,535 | INFO  | ntLoopGroup-7-34 | ContextChainHolderImpl   
>         | 330 -
> org.opendaylight.openflowplugin.impl - 0.4.2.Carbon | Device 
> openflow:206853503483370 connected.
> 
> 2017-11-21 01:31:03,535 | WARN  | ntLoopGroup-7-34 | ContextChainHolderImpl   
>         | 330 -
> org.opendaylight.openflowplugin.impl - 0.4.2.Carbon | Device 
> openflow:206853503483370 is already trying to connect, wait
> until succeeded or disconnected.
> 
> 2017-11-21 01:31:11,534 | INFO  | ntLoopGroup-7-35 | ConnectionAdapterImpl    
>         | 319 -
> org.opendaylight.openflowjava.openflow-protocol-impl - 0.9.2.Carbon | Hello 
> received
> 
> 2017-11-21 01:31:11,535 | INFO  | ntLoopGroup-7-35 | ContextChainHolderImpl   
>         | 330 -
> org.opendaylight.openflowplugin.impl - 0.4.2.Carbon | Device 
> openflow:206853503483370 connected.
> 
> 2017-11-21 01:31:11,535 | WARN  | ntLoopGroup-7-35 | ContextChainHolderImpl   
>         | 330 -
> org.opendaylight.openflowplugin.impl - 0.4.2.Carbon | Device 
> openflow:206853503483370 is already trying to connect, wait
> until succeeded or disconnected.
> 
> 
> I am new to openflowplugin module, so please guide me on how to debug this 
> kind of re-connenct problem. Or is it a issue
> already known?
> 
> 
> Manu thanks!
> 
> 
> 
> 
> B. R.,
> 
> Zhijiang
> 
> 
> 
> _______________________________________________
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