[net::fetchGroupIPAddress] <41> -find 10.0.75.1
[net::fetchGroupIPAddress] <41> -find 172.17.41.161
[net::fetchGroupIPAddress] <41> -find 192.168.0.156
[net::MakeGroupSocket] <112> -set_option 10.0.75.1
[net::MakeGroupSocket] <112> -set_option 172.17.41.161
[net::MakeGroupSocket] <112> -set_option 192.168.0.156
