Help ID MulticastScheduler Error

I’m getting a Multicast Scheduler error in my gateway logs and I’m not even sure where to start looking for a solution:

IOException thrown when using IP address 231.1.1.1 and send port 4445

java.net.NoRouteToHostException: No route to host: Datagram send failed
at java.base/java.net.DualStackPlainDatagramSocketImpl.socketSend(Native Method)
at java.base/java.net.DualStackPlainDatagramSocketImpl.send0(Unknown Source)
at java.base/java.net.AbstractPlainDatagramSocketImpl.send(Unknown Source)
at java.base/java.net.DatagramSocket.send(Unknown Source)
at com.inductiveautomation.ignition.gateway.multicast.MulticastScheduler.run(MulticastScheduler.java:243)
at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$TrackedTask.run(BasicExecutionEngine.java:582)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.runAndReset(Unknown Source)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)

You can turn the gateway multicast off if it’s not working for you:
https://docs.inductiveautomation.com/display/DOC81/Gateway+Settings#GatewaySettings-MulticastSettings