dotnet/corefx#29903 (comment)

The Sockets multicast tests are failing on Nano:
https://mc.dot.net/#/user/davidsh/pr~2Fjenkins~2Fdotnet~2Fcorefx~2Fmaster~2F/test~2Ffunctional~2Fcli~2F/5f5dae7b004d88bdc2927927d655380c56087396/workItem/System.Net.Sockets.Tests

System.Net.Sockets.SocketException : The requested address is not valid in its context.