Discovery error with peer: NBitcoin.Protocol.NetworkAddress OperationCanceledException: The operation was canceled

[gsdean]

following the instructions for OSX (https://www.zenprotocol.com/alpha).

Full Stack: Network(E) Discovery error with peer: NBitcoin.Protocol.NetworkAddress OperationCanceledException: The operation was canceled. at System.Collections.Concurrent.BlockingCollection1[T].TryTakeWithNoTimeValidation (T& item, System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken, System.Threading.CancellationTokenSource combinedTokenSource) [0x0008e] in <5afdc70d980c4033b3878286f754d091>:0 at System.Collections.Concurrent.BlockingCollection1[T].TryTake (T& item, System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00006] in <5afdc70d980c4033b3878286f754d091>:0 at System.Collections.Concurrent.BlockingCollection1[T].Take (System.Threading.CancellationToken cancellationToken) [0x00000] in <5afdc70d980c4033b3878286f754d091>:0 at NBitcoin.Protocol.PollMessageListener1[T].ReceiveMessage (System.Threading.CancellationToken cancellationToken) [0x00006] in :0 at NBitcoin.Protocol.NodeListener.ReceivePayload[TPayload] (System.Threading.CancellationToken cancellationToken) [0x000d1] in :0 at NBitcoin.Protocol.Node.VersionHandshake (NBitcoin.Protocol.NodeRequirement requirements, System.Threading.CancellationToken cancellationToken) [0x00044] in :0 at NBitcoin.Protocol.Node.VersionHandshake (System.Threading.CancellationToken cancellationToken) [0x00000] in :0 at NBitcoin.Protocol.AddressManager+<>c__DisplayClass70_0.<DiscoverPeers>b__1 (NBitcoin.Protocol.NetworkAddress p) [0x00086] in :0