HC crashes at some point for some unknown reason.

As I was sending some SFC data from ODL to a mount point with id "SFF1", I noticed that the remote node crashed. 

Attachment:

HC_LOG TRACE set for io.fd

ODL logs:

 - log:set TRACE org.opendaylight.netconf

Key log messages in ODL logs:

2017-08-06 22:01:45,006 | DEBUG | n-dispatcher-128 | AbstractNetconfTopology | 311 - netconf-topology-config - 1.2.2.SNAPSHOT | Disconnecting RemoteDevice{SFF1}

...

2017-08-06 22:03:13,186 | ERROR | n-dispatcher-127 | VppRspProcessor | 316 - org.opendaylight.sfc.vpp-renderer - 0.5.2.SNAPSHOT | Resolving of RSP RSP1 failed in updateRsp, mountpoint for SFF SFF1 is null