SocketException when running buildSrc tests

:buildSrc:testorg.gradle.api.GradleException: java.net.SocketException: Network is unreachable
        at org.gradle.messaging.dispatch.TcpOutgoingConnector.connect(TcpOutgoingConnector.java:45)
        at org.gradle.messaging.dispatch.DefaultMultiChannelConnector.connect(DefaultMultiChannelConnector.java:82)
        at org.gradle.messaging.DefaultMessagingClient.<init>(DefaultMessagingClient.java:28)
        at org.gradle.messaging.TcpMessagingClient.<init>(TcpMessagingClient.java:32)
        at org.gradle.process.child.ActionExecutionWorker.createClient(ActionExecutionWorker.java:85)
        at org.gradle.process.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:49)
        at org.gradle.process.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:34)
        at org.gradle.process.child.ImplementationClassLoaderWorker.execute(ImplementationClassLoaderWorker.java:75)
        at org.gradle.process.child.ImplementationClassLoaderWorker.execute(ImplementationClassLoaderWorker.java:32)
        at org.gradle.process.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:45)
        at org.gradle.process.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:29)
        at org.gradle.process.launcher.BootstrapClassLoaderWorker.call(BootstrapClassLoaderWorker.java:63)
        at org.gradle.process.launcher.BootstrapClassLoaderWorker.call(BootstrapClassLoaderWorker.java:46)
        at org.gradle.process.launcher.GradleWorkerMain.run(GradleWorkerMain.java:30)
        at org.gradle.process.launcher.GradleWorkerMain.main(GradleWorkerMain.java:35)
Caused by: java.net.SocketException: Network is unreachable
        at sun.nio.ch.Net.connect(Native Method)
        at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525)
        at java.nio.channels.SocketChannel.open(SocketChannel.java:164)
        at org.gradle.messaging.dispatch.TcpOutgoingConnector.connect(TcpOutgoingConnector.java:40)
        ... 14 more
Could not send message, as connection is stopping.
Could not send message, as connection is stopping.
Could not send message, as connection is stopping.
Could not send message, as connection is stopping.
Could not send message, as connection is stopping.
Could not send message, as connection is stopping.

apply plugin: 'groovy'

repositories {
    mavenCentral()
}

dependencies {
    groovy group: 'org.codehaus.groovy', name: 'groovy-all', version: '1.7.2'
    testCompile group: 'net.sourceforge.nekohtml', name: 'nekohtml', version: '1.9.12'
    testCompile group: 'xerces', name: 'xercesImpl', version: '2.8.1'
    testCompile group: 'org.testng', name: 'testng', version: '5.12.1'
}

test {
    useTestNG()    
}