writing neg-cache entry for 12.11.10.V4NET.in-addr.arpa-PTR-xxxx, ttl -1
LOG: host_lookup_failed MAIN
no host name found for IP address V4NET.10.11.12
writing neg-cache entry for 12.11.10.V4NET.in-addr.arpa-PTR-xxxx, ttl -1
LOG: host_lookup_failed MAIN
no host name found for IP address V4NET.10.11.12