Registering     = service:valid://10.0.0.1
Querying        = service:valid
Service Found   = service:valid://10.0.0.1

Registering     = service:valid://10.0.0.1
Querying        = service:invalid
Error registering service with slp.
-19: SLP_NETWORK_TIMED_OUT
When no reply can be obtained in the time specified by the configured timeout interval for a unicast request, this error is returned.