bwtestserver fails upon sciond timeout and dispatcher error

[hausheer]

bwtestserver fails upon the following error:
EROR[07-17|04:26:03] Unable to find path src=19-ffaa:1:22 dst=17-ffaa:1:4c code="SCIOND timed out while requesting paths"
Received request: 17-ffaa:1:4c,[127.0.0.1]:30102
A bwtest is already ongoing
error, clientCCAddrStr == currentBwtest
Received request: 17-ffaa:1:4c,[127.0.0.1]:30102
A bwtest is already ongoing
error, clientCCAddrStr == currentBwtest
Received request: 17-ffaa:1:4c,[127.0.0.1]:30102
A bwtest is already ongoing
error, clientCCAddrStr == currentBwtest
Received request: 17-ffaa:1:4c,[127.0.0.1]:30102
INFO[07-17|04:26:05] Registered with dispatcher ia=19-ffaa:1:22 host=141.44.25.146 port=30101
2018-07-17T04:26:05.201+0200 [CRIT] Fatal error. Exiting. err=
> Dispatcher error
> Dispatcher write error
> Error writing to UNIX socket
> write unix @->/run/shm/dispatcher/default.sock: use of closed network connection
exit status 1