error: [Errno 99] Cannot assign requested address for address 2002

[gerbdla]

I am getting this error: error: [Errno 99] Cannot assign requested address for address 1234 This is my sample test: Test Rammbock New Protocol simpleRequest Chars * testing tls End Protocol Start TCP Server 122.143.129.52 1234 name=example.example.com Start TCP Client 122.143.129.51 protocol=simpleRequest Connect 122.143.129.52 1234 New Message testing tls u32 status Client Sends message Verify server gets status 0xcafebabe