Issue: What does "warning, got duplicate tcp line" mean in the output of netstat? Resolution: In certain unique situations the output of the netstat command may produce output similar to below: tcp 0 0 X.X.X.X:80 X.X.X.X:1035 TIME_WAIT tcp 0 0 X.X.X.X:80 X.X.X.X:2028 TIME_WAIT warning, got duplicate tcp line warning, got duplicate tcp lineAnother incarnation of the same issue is:tcp 0 0 X.X.X.X:..