hg: jdk9/dev/jdk: 8157499: Mark several tests from jdk_net as intermittently failing

[amy.lu at oracle.com]

Changeset: f5c6ef2ed3b8
Author:    amlu
Date:      2016-05-24 11:28 +0800
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/f5c6ef2ed3b8

8157499: Mark several tests from jdk_net as intermittently failing
Reviewed-by: chegar

! test/java/net/DatagramSocket/PortUnreachable.java
! test/java/net/InetAddress/IsReachableViaLoopbackTest.java
! test/java/net/MulticastSocket/TestInterfaces.java
! test/sun/net/www/http/ChunkedOutputStream/checkError.java