EAP 7.2+ logs some immediate Broken Pipes when start up completes

Issue

• When we start JBoss, we immediately see some Broken pipe exceptions like below once start up completes but not at any point after:

java.io.IOException: Broken pipe
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
    at sun.nio.ch.IOUtil.write(IOUtil.java:51)
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:470)
    at org.xnio.nio.NioSocketConduit.write(NioSocketConduit.java:153)
    at io.undertow.protocols.ssl.SslConduit.doWrap(SslConduit.java:939)
    at io.undertow.protocols.ssl.SslConduit.write(SslConduit.java:393)
    at org.xnio.conduits.AbstractStreamSinkConduit.write(AbstractStreamSinkConduit.java:55)
    at io.undertow.conduits.WriteTimeoutStreamSinkConduit.write(WriteTimeoutStreamSinkConduit.java:116)
    at io.undertow.server.protocol.http.HttpResponseConduit.processWrite(HttpResponseConduit.java:252)
    at io.undertow.server.protocol.http.HttpResponseConduit.write(HttpResponseConduit.java:606)
    at io.undertow.conduits.AbstractFixedLengthStreamSinkConduit.write(AbstractFixedLengthStreamSinkConduit.java:106)
    at org.xnio.conduits.Conduits.writeFinalBasic(Conduits.java:132)
    at io.undertow.conduits.AbstractFixedLengthStreamSinkConduit.writeFinal(AbstractFixedLengthStreamSinkConduit.java:175)
    at org.xnio.conduits.ConduitStreamSinkChannel.writeFinal(ConduitStreamSinkChannel.java:104)
    at io.undertow.channels.DetachableStreamSinkChannel.writeFinal(DetachableStreamSinkChannel.java:195)
    at io.undertow.server.HttpServerExchange$WriteDispatchChannel.writeFinal(HttpServerExchange.java:2086)
    at io.undertow.servlet.spec.ServletOutputStreamImpl.writeBufferBlocking(ServletOutputStreamImpl.java:573)
    at io.undertow.servlet.spec.ServletOutputStreamImpl.close(ServletOutputStreamImpl.java:610)