[GoXDCR System Test] Some more goxdcr crashes observed

Build

4.0.0-1867 (Apr 15th's build)

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: github.com/couchbase/goxdcr/parts.(*XmemNozzle).selfMonitor(0xc295cef400, 0xc2880fd560, 0xc295cef5d8)
/home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/xmem_nozzle.go:1574 +0x116b
created by github.com/couchbase/goxdcr/parts.(*XmemNozzle).Start
/home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/parts/xmem_nozzle.go:803 +0x3a3
[goport] 2015/04/15 16:47:31 /opt/couchbase/bin/goxdcr terminated: exit status 2 ns_log000 ns_1@172.23.105.57 16:47:31 - Wed Apr 15, 2015

Just before failover of .62 happened, goxdcr crashed on all other nodes

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: net/http.(*conn).serve(0xc260d5c000)
/usr/local/go/src/pkg/net/http/server.go:1132 +0x61e
created by net/http.(*Server).Serve
/usr/local/go/src/pkg/net/http/server.go:1721 +0x313
[goport] 2015/04/15 16:47:08 /opt/couchbase/bin/goxdcr terminated: exit status 2 ns_log000 ns_1@172.23.105.63 16:47:08 - Wed Apr 15, 2015

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: github.com/couchbase/goxdcr/pipeline.func·004(0x7f48398e4018, 0xc22276e280)
/home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/pipeline/generic_pipeline.go:330 +0x54
created by github.com/couchbase/goxdcr/pipeline.(*GenericPipeline).Stop
/home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/pipeline/generic_pipeline.go:335 +0x474
[goport] 2015/04/15 16:47:08 /opt/couchbase/bin/goxdcr terminated: exit status 2 ns_log000 ns_1@172.23.105.58 16:47:08 - Wed Apr 15, 2015

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: github.com/couchbase/goxdcr/pipeline_utils.func·001(0xc2230e21c0)
/home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/pipeline_utils/pipeline_utils.go:23 +0x59
created by github.com/couchbase/goxdcr/pipeline_utils.ExecWithTimeout
/home/couchbase/jenkins/workspace/sherlock-unix/goproj/src/github.com/couchbase/goxdcr/pipeline_utils/pipeline_utils.go:25 +0xff
[goport] 2015/04/15 16:47:08 /opt/couchbase/bin/goxdcr terminated: exit status 2 ns_log000 ns_1@172.23.105.61 16:47:08 - Wed Apr 15, 2015

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: github.com/couchbase/gomemcached/client.(*UprFeed).runFeed(0xc2230719e0, 0xc222e366e0)
/home/couchbase/jenkins/workspace/sherlock-unix/godeps/src/github.com/couchbase/gomemcached/client/upr_feed.go:398 +0x162
created by github.com/couchbase/gomemcached/client.(*UprFeed).StartFeed
/home/couchbase/jenkins/workspace/sherlock-unix/godeps/src/github.com/couchbase/gomemcached/client/upr_feed.go:328 +0x65
[goport] 2015/04/15 16:47:08 /opt/couchbase/bin/goxdcr terminated: exit status 2 ns_log000 ns_1@172.23.105.60 16:47:08 - Wed Apr 15, 2015

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: net/http.(*persistConn).readLoop(0xc2236a56b0)
/usr/local/go/src/pkg/net/http/transport.go:782 +0x95
created by net/http.(*Transport).dialConn
/usr/local/go/src/pkg/net/http/transport.go:600 +0x93f
[goport] 2015/04/15 16:47:07 /opt/couchbase/bin/goxdcr terminated: exit status 2 ns_log000 ns_1@172.23.105.54 16:47:07 - Wed Apr 15, 2015

Port server goxdcr on node 'babysitter_of_ns_1@127.0.0.1' exited with status 1. Restarting. Messages: net/http.(*conn).serve(0xc22a746400)
/usr/local/go/src/pkg/net/http/server.go:1132 +0x61e
created by net/http.(*Server).Serve
/usr/local/go/src/pkg/net/http/server.go:1721 +0x313
[goport] 2015/04/15 16:47:07 /opt/couchbase/bin/goxdcr terminated: exit status 2