Snmp detection errors with connection test, debug crash

[andreas-doehler (Andreas)]

@cob

[TCPFetcher] Execute data source
Connecting via TCP to 10.0.32.224:6556 (5.0s timeout)
Closing TCP connection to 10.0.32.224:6556

This host is configured to use the CMK agent and not only SNMP.
Please check the host configuration if only SNMP is activated.